Open Access
%PDF-1.6 % 7 0 obj <> endobj xref 7 19 0000000016 00000 n 0000000858 00000 n 0000000933 00000 n 0000001054 00000 n 0000001330 00000 n 0000001508 00000 n 0000001643 00000 n 0000001685 00000 n 0000017538 00000 n 0000017673 00000 n 0000031387 00000 n 0000031522 00000 n 0000045093 00000 n 0000045228 00000 n 0000058673 00000 n 0000058808 00000 n 0000075325 00000 n 0000075460 00000 n 0000000676 00000 n trailer <]>> startxref 0 %%EOF 25 0 obj <>stream xb`````z0p Aa  f0캜uzG2ifVo)l Y`YF  endstream endobj 8 0 obj <> endobj 9 0 obj <>/Encoding<>>>>> endobj 10 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 11 0 obj <>stream H= 0 = b8z"PDJp;!SF@ ݔ= p)H;#b-XC{#旄Leev=I endstream endobj 12 0 obj <> endobj 13 0 obj <> endobj 14 0 obj <>>>/Type/XObject/BBox[0 0 574 574]/PTEX.FileName(./35823-figB4a-eps-converted-to.pdf)/FormType 1>>stream x};^P@n~Ǿ G6|L`;鉶3aJ4EkV,.~ǯ5F_R_?ӯuծ*GGo@]߀~|F 8>k}q|nI|6< }}Lf)꧄W'lPB5X[G՞??G?H#/)oOޞqCGW5~ߍGx!ݮ >1>&ҥ w彃M{>ѶFp 租sҖ h7 Aa܇5C}{?~E8^wW}\0}GV'_Һm#|m{K?IC[֬F]^uD?e2W{"? 'O7z}uV˼@{~ZK(!!*L]м<% sd:S_P]=3Sg{ ͎kJ8^)Cy\%PK& \^Gyy$iT+ȗ5]e/J0#5iD;5~en_kqDuh9h}XG3q'o 7Vǹ4ZߕZ:ye 5^7Z!cZԟj4'|nVe*/43m˰*X-ܩ GbsLVtlAvP+Ԩ{]1z[fWx n5 Kkqድ_o-N֬);wj;~6eE^,rCkY6X3٨RfUJ)Xh%~i~tt/nQ[#P rfI5rM\#K[=J>#[c_)<=my(=Ku`m?dhAIݭ.ޏ_GB/ږ̸[~&ui\ifP^O8҆\GI!,h(GP fy.$L]G$>S~$yDO&h3.Fk$fE8:IJusH>kH>kH>Yh}f!}l Đ}vƐ~}vk+?$tj{HҟO vϻ/? xNϬuu S*SsU۔~үW7L׫[ү03MN:<հ.)}:ݧ/>}yү/Smn7?OH߾ҷo?t{:z<'nz~FL8NN)ݺk |.S>(‰ۃCn] s$Öp)}T遟zASu ]EWK1WiceM)vB2yTA=Op^bҩ ЁtIE CCO xe(.ss[Y\uַ^u ,_ _,XoQ`d2ʱlP{KwϹ!G7$58o2tCZNb}Q&=Y" CgКn`n'7aAIJmQ y n n>|C{jؖ_;hWN-=~`rKశBܐnzд&+g Wz"հmAͤA`f=,SOstkrj^ tËw^/ӋOM]{9'?9ugY#xz񤅆I Sǖ}xbQpXCpcڇ\9 n>ڃ gʡ=0d;=H6KdNQ]:NbsʏJh5% ${`kbv?OXdeOV SfT2ug&/_ : {@=hD?967s þ2y`{`05 dxn8/vY[ qϋ!d%gO|f,νT6mV ui̿!!]o)b')CTmkVatm6H6 ]=8Mz~VpY36ے`X䊍Mre| %CEYڲ xBYSr^pDсxeV@-e>ءTgKf2q+҇R:%l1Y aY#6~@rW FR̳ؗ2y<[*LJ{ʼ!K&RU^zߠV͕YTx8t7"-r3ݮыV]CKX$ /]/8CZvtGe`rٝ u*Sc$w罺ɮܥbťu]~ikBq<0<W0N] UT~{/~# UnFNCUU5LULug :4Pm@[&Xedzujn2?4$'R#g$ci=LK}MЕȨU YX:̠zT鼧 7OJ=Pm,]7ܗw=z>Y$|n!{?~ε Y| /Mﴨܝ s)N9Ja*a BwwBwC-x'H"~Ș{%@{D b 3d ]GŘKcq'莆R)u *,*ꆒUwdžRHM%Oƒ5^W ;A7vl.Ѝ%FJĺn(J1!Xy녴p;!+#y+TRR1A#$Ԝ_-ήuJXI\ ¨qn$gt WOXF*+ߩ;LrVSH(G&9$^F^7H *vq➞'̶7]ch(pӋGgwo#o# 0=x2i$s{< Z;̋]QKi~ݮnQe òK$R%TV4yTܨT.tQF.X a q\8MjxcF*CÔhpgj!Szʗr~Nc"` `i};{PB+upޡfȻƠ3lftFN8nzhb=RÃwXzߐLNgx]$~烜nKCЛN-[*ޏ|t҇ŭӢNF.sét5a(] w 'I#n\nj-6l׍z[(3Y0.s7ܵ5sK:SG,3`)GM_9y{:+cM"(Z 7$h= o:m9u(aӯV+܁y$e.ӉW5C4(}|PrF$i{ь48 ? Moe'=n3-Z+rGl]'PczQJ4E#G~@n81RECDq:R9Ik k0Kl+!#DZ9%a&͊kR6mb}8Xx`I: ߖo7 C~ |K|,TsDġ'#HzÖ1XxveQmP[V/Y`ᐝ--}+"%mAn 8Ȩ9'@g=q4Ajzef&ӛY;p*m6 6uH}ֈl6; 8mqM5~Jf2l]aBCt0Nm N)š;H(J2*R*Ӯq}dY'PVW^~s+;,h[8D f8/z>~0bxũ[Nzz܊ÓI=AuŦIrKZFSdMi HmQ0M`$z@$M(Gr9F'ȁ#lU5ʁR)s{ZB+`,5LoPXkPViD˺6!WKy}<ĸ"elXCucdcMѿ,8 Dpl B$a8FVrA&͕GR9 LGkG. b=>6I%ZƆ:0Z#E89CPzo9h#eIۤYy$ʚI4Dz!e5@6'>e!=Vn[譈8sl$=YʱiJ=J^Fؤ~ cb*"&|`c*Yz?LW6viTW`Ё=*F}ˍQ1 -#x>a6)>%=(1 5 W*HDV%*|Yk1RsV >dX6Xy>1>lM_${\R^t9(@<}F \ѳC,( ,\G7e| Y!-x~y¬ybSNR;,};!ahEjTr/X`F)@ke٨߲w(#ӷU޹͋66mZ'[.ڥ^a!Ŭ8NYMaAq!7 1Ro3 QY> o"ГȁƔŬ cVk˰ȉгESϩ0īÞ`"ہBxҘUOƆ Q%+z:8LQjD|:\ȉ^d%i\Nh}'32LiO2&Dx^o\-WqqRaLg"564Ϣ2[@ F%'ʨr (Ddl RmR..bJ틜:fO"/ YVcR*Dj_={bZ}j 'a֓2npUmr LZhpV}-1:?DvQ ],ѿjas18䟃1Z֣'w5e˷5 iҳJr>{h}mSŵ.bUgo&U%t‰1v0|΅>c(kӢ#\5-urkJ1u]tt|25PNƓY4E3ni6XCnj#4r;hQldZlmқ쭈 6`hW@e0u^6?yeI]WVmc*=Zio-eUu .0Oic[!b~%ζ w_lksa&?irn,urMJdYI-3Wkˠ3~os5Y W<"o\C>a?Rd>Z! ̒ԇ#}K3R{=uἉkܣg:ч$k\S4uqp*z6<_}I]nUȀgcB<^|쀅|0+k}ȆK;(tsvfh>cR:~pU "&._;jb#KNpAM%n49Qɚ&@vJ(+H+lҽ*IQ]֗x +1SdHV!}DZ[۪^v#S:^Ra}vhNmeFMK\M.p'W!ѣsX Jg py/HI(}ZZ9p1P6 aheC$~nwԬ%#=7tWπ;# =zW­4*$i<dyYP$QN.”Dw9lrVVa{9z=^0r|DZBhKk>e-No{>b%.lI%>}4NemB#Edz!z!>kF} $dy,h!@6Bd~mdkq+8Z~?bn׽-jq5Srb#x@8p5iF%Ooq >9i,^*fߕ__K.a_mJy;w&<7Rn]ںlfI!\AӲf-v|תdIV޽0a^i%%MmZ- <|XU hz#Y17ĥm|a1{]t9k꛰H ZWjW 7S4Y͠1B4:&p\)42n~OMmSzf?s~5bCob- >af ﭭ|] Y4 )._\}LH6 kl 5r8RV+c-gM|V Izv/8~E!=G|Czf]Ey/sk7 ORzsOq6|~#_Iڕ$;qYUGɋ0e!>e%=겷wݯ[-zuO~Wѿuя0Lw{{aǛ՜#t.2T+ǝ?F|ȿ4y=d% )'/Esů11}L[so.eHj2w}8!Qc XD |$PģHec 4}2tQn(GKxNv"diemrٻY:Jv]v"oHxPnGv}Jyb[k)=@OW^<+P5,R |ި2Exg.f /;7{$v5wHjqxWDŽqaLD,'E\"6tzZwko~| (rA{b7w\6iii#~S-sk}|p)MbTRU=WlkE0-{ s K|?m7hE-u + و, ]л/@`S3\<]線q.gD4 Q Œۍ0p[G:.j7E#Hz ^-1| Z{| s8 ZaE6|+BZn6:]H[wL,M}S¿sbL}HeZ%-_3+OaL&$oP#S$PRE$>Mވf}vrmcě1B ߴS3E60K\=+ */g'_oGv ,G#wdzxȵNХE(VD7 >bYVhb;Ll үYDŽ߬|c?BВa׵fs:ں>FDQ(VcDtI0冲ǠIceuP]7ZUSE\5 z 6>k#˝)w+4ua:B[w$1w29UW| #/ ^'M<{2VdfFLElaf?| >rRw̝/\2 ꂝ[HRPcwEV4Q>of2OF*kN)nLczf "18O97PaG7e ,EZ~i=u$YAeUw5~̋])fJ`7E럱QHj^ [o-iv f +(-`-^J[ o+(XT7W2+˭9t'l֯%GO"[ RMf Mh& $TY.g =59U4- *w~lk##\/r;/jSR]_n8\?sl;  A=8t7;1K>뎹AE#E ft;~"AgHe^z|`nZU)387`ѱu~4&\3aωٳ瑘U m5D ?G &aB1[Hp{ٜ^6' v?pi]+ ! }vCm?t7}A % r;㡚k?!y2mEϹ+TXXpy{t+Nf@0Dpm,Vߏ^[ |Ds o]\^W $$Dɮm_vBg|h[Hbiΐ@E\S)5 <-g<4U 9״]0\H6+`דyҎ)!ιX>aIlz[v|y'Lw|V^#ϑ[u|G Q6YAx@VNkyY:>jH@A`y@=LJ%66e$~hs~hr"Yh KmNR1X 0Dadgi ʋ@l'J- f*+Q0(0F>wé^J UXEMpR$x e)S?V2g`g\6:¦A~h ~o@)2ƲSAGU A\ Al<ee^6weT L5։f:>4M}>~mLi,>cRXy<BkҦ9) C:ǀ:udՎܱ {rqs܆cXn$w6_uhVA><=^x>M{]uok;T̋tL|XZ"ۈRG|bz4́Ϳ3 4 ` ny4gw.^$Ʒ]YEތvs#*;.#1L[.5@qO o  hR')íSg+:MЬ]0b:[]AIцƌ8o HM;4@0{=0 OvWpG؟O՘gCqЮeԼЦmL`13 h񶴉oQdJo!zd4y# ,B| 0Wc$c0fqKQ2N%S2n%U"K_|f+RTv*NzV~M_\U[>ʻ8FnKhI>Iιk8j RCg fuI-vq#x;1Wpd 0q1.YFcF#Z`m!0tSɆ?m7WJjֿ`sDi8f]oyoL ~3h0=يxB݊;ƥmӵ%dHmqt3Gb !a8 !b44NT$c5nvЍnXFӾe8ALޤW'HEOb3|LQhN(5w;Q!ϥHqʼnƲg?r+2BqO[kc;Kiw=L1bX.z5߀\!bs&6<9:0'HeL(ql&eNЩș$r',J&("W>LsT5t>;N4͕G/q3SØn8xmuԎphͣ%ߘ ,V2tVL\d3vΟr~K]l O\%Xa3Xeeײ*mTck_&i-QmHɅ ݅+ꁳ{/ggi_!;6c ;Q35S1LSb-NF\-1ym0z.0 KǢ1n&\K_[w3 Iw]k?Dֶj˟yE:'c!V~ȡ6gS7,r+wsR> endobj 16 0 obj <>>>/Type/XObject/BBox[0 0 574 574]/PTEX.FileName(./35823-figB4b-eps-converted-to.pdf)/FormType 1>>stream x}ϯ-*̨/V+ nC~2ʡ>$ 2qODv~(ߏ?_뿬?}?m}e6.G;G)s.Vp[ꘆx&ڙƉX0rG02et?KƉL LY78(L`d&z. dSzec/kc8~{^\m; ƭ⢛>uTvYtۻ)?F(Y}}e7ݟbϿ]VM?`z+q+c}qJcq[nstxcˎ'-QgL$[v2]`u-J%֕7:W[鎣*w%me;\%y["7eN% ˣ0<'uh}n8 g,.3r{%@=jc5me4l1~X Yiavό[:#~ݘPN|G .G ƨ8Uw?+sMҨѧ }q()Ň ?3ꋞZ~ٗq8_l~SڛE^ok=Ė''!oԨyv9tdaNM7ZkxGhYŌ02%=/=s8 7iS=0Ĺ^i5 Uf弆q~@VP6\ȚPV=EWmVƢk{^Hrq3[Qz{pܺNhRjX?8cH2骵q%t^X的bH^C hG?-/3i^9^uII3~_c5KJi?;E!,G?BzM!Fhƈ댑((`A9ŠEt5jQKb-;պaQ薐#z$wg]ҋ-ew,EaQ(y'ZơR,HSVN(C@5E*#[(bqVz]Wz;l.3r3eyzzĚ1J xY{ orIOsy⯀iq"Jďs'⍈=qŋg1%MP&e޶خ#j;V`Rܵ]0mנf*]zLcϚic!JҺ[uN6r\MOT!M)cmg3%}rL~_Ql^[EDp~zm.~\s҅Н5fF1Wӫ=Mtyvt?) D*4MMfzRc K!rY"f>Ԍ  qȨ+kXrHwO)C"SkSuߩB,@nz?eإV3%wOT/R^rm3ewN% dO ) )v>y[u1(n2q`,'g92CqKEOK,"KΠs[/9m]dti0/9M]Zr_]8/{?X|۲-g˖m51[Ҽ{|*sz j˜^l˜^OeA}-QyZ4}ؘ2Z lݬݭ߶=\)w Ay|>wW>O'2OEWP&rLrTL]kxL ;ʱ;Zt.PywE),򵟑WKJZN(K%nJ\p:0,n%N+m!0 gTe6c2Kߏ[׶Ŀe C?1Ą$<0ϻ֒S_L:Hv fWx?>6_3$G-ZpC|nv3,yNZ[;5J-3 [v_ t JN2U6hbwayQ敄nZu\$4'GRzhû*] eW92$Vy|hu^k }#'FYܺvCĤ^;t<(yC7Uk=]z}nsbyPsmղEmvK0 i~x$ !v4j(\m.1Da]y5MT >kD !ElȫO;k7ɂ& Iژz| ty451þk tN_zn)w[t{15eYO7l]`t>]˛ws}뭥^DRx zT[nkObбޥIGD[F5l:ɵ a2j&{vC0d1[󞳃+9"-3%4uֶ j۸WN y5uVSgm|-z=IA/@Nǔ9N J8dζaʬmtʬmaʼmk޶ɾ]2o`ES42k>[^u}o֐iz߄v/Qy7R85kuVyW vpX2kaɬ'tW~:ZwDdyaho Dk1qR4b8-CLkI ͒=cSD˵=kkѾ eJ! Zilky[*ꎞfkW=/zyj<!?O"zj<?F:($z弣;w"΍SgέcaVعr:5vNk;W"vޱs9)Mc3svh\0/Z/@ 3&("lrKpU-xIv: >-Q 9:N-mq$Wz-ǃLvH=L0{5+S rxwW1%k+j]H]q<_7TBlYkӵ{[SU2ѳPd](f_Evwe8!19=wrh2uE6uےX%u:>ײOw^KCռ%#䵖]3jNˇOVy@ZҳUsZ $僯y-˩:2#:iYUiYF*Ԝ5MĩSW*-yb ͼN\@fCȦ]몦9Pc&w;ExbᏐHM3刯&wC2ٸHͷ{R&*)}Ҳ+Ћ{ ۯsXη_WC^3S/nP+`hC-3זO5OlcƳ(/TԋmEWEu^̰`,?20CrZbrPxZ ˑ2O yQD !'m=i ^SL6?|JvX dV Mlj'_NVS^ Q{hNw )5kG bێ0Hm=?`v^W3S/ uG!RH>Y?ڢcԋJX}Aۅ*+"1k$Pn\-%WM[˨45ΚӮ},5}ļ)ښ#:MV d=24p+jqV/[qkIKXO;Y\q$Mto^rTy%}}\{yfeh+t?|PMRG5:br͎5f?fGFt3c;_#b3H' 8<H+y[ kh띡wra{.yHjG1Jъf%s;gg~vttfqcp&[VϽ&w_hv k"%Nx|7ߕPg~{[ XΠr#kÛ%͢jԋ'noM19+ZK3bGY T?팾'@ҚsqK9{[ՖYojb@'ڒG'ܶӭ{>KM8Fzgکw/;պ+p;6;W Hkο3wmSs^8ݷd?RhzOz շI\O냵EňG@C. Ո4{nN~"z9mKԶbHjsefUTP:^hZAn8{(ۇGɒo5喌%?[ƍ$ҬukWXI銴G{q-cK/pִH%vܧfu1#2Њ:d8?zSq 1z1ctY#)*wdU ^{דJȯVXϠg9S7"9VhCQ =M\7x6j/ԮXǥi9=ojaF_#nC_ _ѹow ~b7,jN~oⓗW ޿%?n^9Prϵ }u\,9Bemi//hyfuN3kAWhcR5*a%m! MVrY~g#Q7Lpn{Hϡ -F q>GR(FBh~=οfvzۏoێPQwNH1jbEOϧ\9~ZD&bE$ӭ% (x^8ID o3PpzrK0װk &`D]$PRArƋQfci>$G;ZJ`m Kdnzk1x}[5:oV&Qi<*<bݏσZ~MjAxyԪdӷ8qY`+ *jc/縋XN,qEv `AǭTQQU7U4c%jq6L^.&8ᢴ| 1 8B4~ݟ/L'R~Z?Ri^Bq=AX&o`ޒ0X0t  M"odPajjhg#K~ m ioǼ[00kq2m@\$ⸯ%c[ IljBr5|ԍ.ԂuCqX` Ve \qXEoܯNN rJl}ow)`d YXx ë x"w!&A b-t2s}nhD[i ½ H`uU:NՄNחyzIpGjA4T.8-մsFZC Ն9&b(Gy{]z9yPڑLxWDq O3N<[EoS ܉@R5X‚'~67ɉ1OLg9GRu}u2$gqCouW~NyހdetH6z:m$G zNL3|㇡ ?-ح'(C d$&gB R'wh_L27B:B8F-?#ڝPM^6eȺbOl,e#4/\(~lj>Ulx2l>zGdZ?|1zHx=h^+}2ZҴ'm7Γz9XRVm BOezl/ eu{-hcmi[~ $,F\]髎OיľD~P5a96^-'9P]'GjK[`Dþ&8. r&4Ό}mK($֑:"Jy)_t nxxwg5HbÃ^m_"ڊZmś W}fk&Z6xY8.>o/&_i?>jA6/P*FYmB)o85b` F.oy #}ΠAV``Cp is&c_Xe'_vI}?]S€u(@ۡbhJqBm7V/ W[߬;u Oı|=k~jv 脨;CgI, Uq0U^mY1c҉wɱv鞀7]50X@0I??q0{ /`w*g pR/[ Ba1T0̆Y/[l.+`rV:uLNIO9V>uB,5PrD_lc}~G6/|7Axg+:ja74BRYgcg L 1?}׸4m@[դ}۟m&w ~DE_gwr, 6wbn/}QmT{ܿ.!n'y# a%8i ~F M|ݱLsU19< 0!X4㽮. :xwŞp(PTڒ#FqC0qD(;wPkfY.w)0 m<F_ѧj}k_pS/#]7bN=ŽxBٍn~pM~3@#g- P[qP0$WV'am0Xjnm3zY 7̳7zGQkzY?yg=͎yB=Au< zXϣl=~zY?kug#2`=cS+#ns6XzNڏvou˽v 73\+J'Z S @0eo?M>WQOo~23Z? ~0˪Plɩs.5› ){0yvsgTsw1U!Z]IL |>a"@8`, Dg@,J"̦sf[*lSuD = g5|_l<jx7`P.ph,g3 "Rt׆s?J Pz1&hSU4N澢)sk6JX%Pl.T+B!4jPG5Hu Md>^{+YD3Se8(zKH]w#=0Y>ـG΁G?ZaqYMF9ۣ,# du+0+b%m0 H؈[ϸa6I 5ȯ)\~^0 qnv,ǻlr2f۪O :AeS)gބXL#/}H"c e |ɭ?΁]۵d(otjx|f-9P8F P9s}K~0y8@&Ǝ5J+xri;ՓI&'XÅDeе|l3:ZQC^KJ: ʞ#y$Bbp{|41jRFZsV4Zl@-%c<9;0HêVK\"[I`m9$'Ob4ę&"P3W6<6(2gZ>,|s5v>s.4sXD0@iG^6%c'&Ќ>ǣ`M6e6yR䞻 YB1ah3htk Y95򩸵V:ܢwyo;D^`-Z|sO|`k8q8mtQg zif ͘ wn+ޙ3ݜ=rp fٹYG-Sr0=H`#gZn 贱ih&2I{'2| Z_xt|,pǎ r)gt δWΝnHǻP))9L#)Fkqhc< "I8?&xCSH>e?8 4Oǂ<G~Qx -&wpFd?9&N?TdJw4ӛ[a1Wy+/NAvǸ"ǝih)#|ر0^n?}tGtꡓ]o iC endstream endobj 17 0 obj <> endobj 18 0 obj <>>>/Type/XObject/BBox[0 0 574 574]/PTEX.FileName(./35823-figB4c-eps-converted-to.pdf)/FormType 1>>stream x}Ν;^p,]A U3@U$)#|xZI oQx҉J#}?_ߞ߾\ׯo}|5?BGW@}Z +`c~%+:zJ?r)0DŽ>*Nc®dk|KMY _ӷ|ouhkhkmn~~+3]ږ%HU>iE>gjQ^z{Z?Z Ob6}9Ƨs}ٞg*Sfr (+\ׁk-cW?jqa-MFo&D,6\gj ^sqKh\S%p˺?,kNo{[#۞[DZ2ZZU kRyHZy垎Bpڽl<`ׇru.t?]SHdX% Bd^Qo+'=a RV hUjw[,;E+ hi6U̝ rGZV)4$Ya/<D{Psp=nj)`EUVewO|Ȯ=bYEjdWDvUd/ {ve9-ѕ};4#ԷҪJ $i- ,?Pw x _=t}bNu*0z׈Ϻk k衯a 1aátE"[^󆱧:^9Ǐ]zb-ͰUz s~B[lڃkٯ*=7+X'3~bبy-Flq d^彃2I%Q\9x{<Z+9^|{x;, K@R=WcΞ~f| VRwcV;U^*5һ@lSR fw{{xRJ2y${hƙhb~-ƷPyy8y@eUj^vAet#h6L[_Nd N;xs#A'kpd< 7h,rmj7x8t[ xϩutr(t oݥP c={4npҾ7)צ9YO&=Na~5ӚY35j=pC[3 0߬r v5qkyoW{h;^]變l`Wk\:Z7I?[?v[^;c ZÊ|uzYY%x%Vs~ -ø\ HZNz̀~y]yVNg9:f4*cEPAKU\ K@cS(eH{PIU0%>EiHZΐ@ڞP? =ԼYEj!Irna{"}%'ޏVj>}t\-, ߮.ݨ:Up 5e֩:PfcTL] T *m^A{<TMC@4ŷajkm$/ۗ6VIUܸ-F}n^zv>6N(%SSSSKEm|L`ԫgb GϬԣgQvAzjN=z6mNz4MRziȮ js p-.=W W/FAz1G/уz^7W/;cemP^֜=CJ?c؃uzxzvzZ:wz$p'jCu,:%,N!%!RI&uyɐ-fDm I;$ ՓbҔH>Iy<*h=e"&8Xln[*Ag? , 5Y<{L $W,I֯iO 5-`{ +gLX<.2yj `'^ FU -^\GHL^][ 6vhEK)X;e{v 3t4yf~=0SG>\<_Xۮ.nܱJ yt|}#,ܵc`Sm{VͶeGMvOC>TG CTϓ!-(Vc:෡D.7ȳL0~Jk*X Ww. BTd=&CbDpn7|^2=|/%Ih.eGRL=X{iT6S4J `F[:cY j{.}e`0\F5R jyZ6:C[_xgd}_> WIOnZ_EJ%~y2ArҔߴ\x37JF /,,n7Xhƭe &ZP?r*$+ckE0\pU1*FAr7V"6)ckk0- 5Foe\&7Km>9бTVK^[o뀅+:LWu`o" 7:j9P;TuBJ޾?JSsrYRdKR-ͶhX^xrt/=qKƸ mo%9XE)C{xvʉ䄇zK'>2o|<=vwyPSu눲[eudaQ6ZnZloz4Y(GnĞh{Oh۝ٹNL۹?(g`(Np<&tf^;xّKThJ1tkGc{f9~^) X(4=|M)=#d!o+)m3 sC[8נ!n]KOLY 6g[ ndE *<=Pz6[55#$'gn^N!GX" b:sʲ,_Ptyf!loQ(CYxA&9"74e]iDN]@Wރ _7kaHұK.L7xM_X̕)st5$blq~v*6,<0MoT/l0KtϦ{= }_ L31/-;s͑17sC[37ny=抖cj1Wsхl,\oև},l>s0I1gNbqVd}l ԇfsr. ;B.ܲ~(撖Eoy>T s)Nξ)mfC)N49R-r(Ɇ9R9)lh6QN]-vvDƐ M ;R.)Jo2AtY[R΍t5;jE*uO/>0fo_slj K4Aݯ'0n{~;%*;o wUK1$L@&j7' Wm]W@U3Ϫ~U[+@U;ul&T>!nvx0nvW}3h߁o ]o[,)|\qq'PUtT.&/]Oh  "I T=.awY@h. "9cdN䒓.!PXr2%Hr1 0.E7}BHA "Er\k[ٚj>`i= Ui}t+ν@vhէ/GUWyw/rVbyw 0xJvHθh.?:n%zJ~ec5}R9 Qm2 ؠ|I@L3/ p\ȟ8 z2nI.J#ub0;OI8\-.qtvM. b KȊZqed9#%1c~TAzf*ӛQ,(O40&_B(Id'9\Y,וᲔ,h옲z7% u/iQ(,zG.D 9%Zxj/PtorrK-:"]@*`%OQhFMo]LW_@Qr`bi!+Ma]P)%Y!uRy\k\\[@(onMR. azyIz}4" CF~ݚ/3U9-nrXT }0"WzVC+lߡSRQJr^9%!|')NC.B撨7Y=.»H[T-l. үɩ V1FJGFl3QTmz[я6Rᾥk=C>]﹐u-x9 m 3 v6$2Vh-Avf] >x[ُehW9%DVH^( +>Ƙ΂+ ]m 'i Q^ŕPZKfX%|u|7[iϥaRoGMk¼|~K2~D$1e.o7lP.:fr~Z+.p@5q7 P$ E5%W%'5i,`8J?`"`p8qXG{i3eH]pM@ءE?Vj5AvN!0f٬SbLo*F\ceجGPm%|{4%8-ׇܶaˑ"NCDE|V N"cuڈ ]_; $d)LFMJ6ڎe5::<~,{V᠓g{ḷ|Xm"0qi}1\mHe_x\x\$!d Q mO9\o@}b X ny#_7xj/t *=k([dփmU2Y UI+J"Ԅ7SI|Ozj/L)_ȱZ襀;n_\D90.A?iS({xAWi@Y^%MD#01M?[:-yFJ0Z+XC)[DFIڄrZQS૤BO5pNkB-Z*o =+~E GF9FOMz 6kh#D*]vK#wj˓FyK3gȨ~ jTbg=`,BM-eqyj#Ial-Ff*y HV|s":0tqKc~ U\x )DtɭD/(z#Z_B\rZ0𥳐uRgW#$^X"pzA< 񵄳Q0߿G#|$ʿDġCE""pҒ ,˅]Z,2n,(3_HWQ#XIaXT%5!kė.5s Gzq?hm-7RJT*O".Da2ݘ 4>fp#]q0QX+XgTp, Q1E~e?^3)T)Y aMJp[= 4+,, EJ9Hp:%vR=v+A4w._첲 ]S0aPME-2*褔D'dzkGO[S^͋k.{`lK[7/vH#gjrDlhCH$6X:9N|b_vSk[o]ZʽgˏK訖M>=>~R\i5_E=v1NfȒ=| x*?8O;:7^q p:ZGځƆ)hׂ@*`ZUj HlΠ4tm~EӶzJ}ݲ5Mn]xr"`'e}yCPX֌+Ol_#>lrHc:(wTtgז&>&3bm1IdyV4ML|m,|BX&5bUS.[U[Mo' ;5`+MP{kڡ7TtVuomqG!jt$Xe۽1)CF*B0hc?X>do &G>!'ت`H`ZM0mͯh;NGvl6rQD\0 l5>h/.8L:ݯKV xJb\90Uj|V΂ϜA-i܄7a81jNq!#(uc>/Tu:,:ոtfQg oQo`OMjy8|slQΎ|ADT#.` #3~~Y\HdqZ]Ϳk!/|!o1 (ҵr oՐ7Cq@ mD/^&$*ttD+@ -MKoW"Z HbZ/e2+YcJS)nOM*2Y TJ gS$f(I"HE%ICpoIߒI|im+oi.,/p~w05 Jp(u_t/muir9 $\PN! !)A>}`^?wzT Z6+6@}lrˋNJIZHl66b7f0_dI1FO_z#ťz|?ln3ǘzuܨP eV^-HR$oeJ) lRXFo2kJYb;66Z36\Gz4JNb+;`BU4T52}VI4՟iwAFY_>&e0[O9WqhN%_$G|*+0o".&!M~>1gv+a ΌZmx$3ȵGO#>?>#1hN =8؀ ذju[@_po 2?Xz [7xoց+m byjC-G#qpY*MzCR|b+_n wZ홲'C)A|_ ?g_u~Q$c'HaQ}6B'x͒K2*,2ڂ+9Db׌wEoGS>=|xy RK/5:*O:.k[f5]!YT;pzuT@2 ޠE,WIqRI)X62$BX& Ed 8ZDѮ1QX㶣ȤEjpʎtgpV‰"U3nt('X>`8*oI~{'\R2j,˱̚H$)Q n̠lUwKYwCOόHj]@B2/L(Uz \o :&bwt'X8!RFY[X.žYXS]YXZo,<;޴&KԜ rKuX\ƹnK:7AѭUA\opǓ')LKIQN) 9b rXŊ,T-"o`|Q_B`C%Ej~!p^;'cHsjG}1ri\΂`.2\!<*\M%448]$0͐%'3^::%fP{C$*3O!0}3|>3 ^pqwwK5OrSε; I#ߥ )pjR6+rFX.n$h#y `[7fMy/ϟp@쫒`BЭ1kY rΊHD=O1;(3f.)!i+!#BjK!#m ﭣ/7{߸Uy0Qu-^o,+i&YZRϋK/ [PG?Z CZ`ky,_`g8|O÷2٨?XAZ#HN<'}ښڞE6^{>:םs=*{G}J4z [ӗ[K>-%&Sm\4E%9&)(&ǣ?Kf"+XcEK0e8nk]7Y+%f`'XVR-'\ϼk[L*=d0d!ޯl,AoP " vLSwtjh6AlEM^:HfZ,NJZl>c!d|(KXhҼߝPԿd oK#QT{B UxH "₨` ?M"Te2?Nwŭ5bC`baL &SC8 ~I<쾶3ÑIP<+c%U䊃5kY;,A1OڌmOCnt8M-`QV,h"1p=KSKaCc%0B(B+jrNKh F*=(cdc~ƏjqoFQI5d]ؚF+ڒ`誆 y]<-oԨлN+-Y'*AT,'?un HѷJY\ĩtH:~S jBsYwo?%8uJ3˿ߩjȴ7IXUlo=Jp^v+q?jN4E׀,ݞqz-/;|FdMϪ;!^*x)-B("o,;VBJo>s) ]ޮ3wREdG .Zvh'Q‹IG)5yA'zAI/*%xaťuW癩y0!+!&.Ay'46Eό8^3ARގW ЂQAu'668вC!A@Xz s xΛEV@ Nӟap;HGМ|ɑx79RwB `'J6f`8iMop{meQm3mJvB)i>,SLYƟ@k$n͈q;ntOqz!˛-:͎u@;3B0%xJAz'+{SsPtZ:) 1 O"N 3NXEeF^Đ9Dg y_JvJ'0l\ca軿a'E.I( ?n,;ΕH] YHw>ڐu%4AHZz$d :e!7Gaq9R^f鐣M"/zY0 N%U\yVe{ΒddeAGj f@nB )+MkZ₤jغ*_QU3 cD7-U$2 <#dZrj0Uz;qItKBXjB6Yq4&( Y zzK!_f$dPkK{o|ph ]Bodm>я%_@qKWhb۟Kja7=T1`h-zV\!D``uǤMkx2t dOtJN~,9DP D  C!! {+_# Ȧ #g_^ C<ӏoQXE73ѧ3VztkKqEOքTmPVQO']ST0m\ pfK?At_&NhD8hC,+&K(1~*h ŞRhBk`aŊƱ@~ PZѡTվT(-RDB{=aˎ& c+ ZSOGs s\nP[IBwkވVK^Ci\"_kW> endobj 20 0 obj <>>>/Type/XObject/BBox[0 0 574 574]/PTEX.FileName(./35823-figB4d-eps-converted-to.pdf)/FormType 1>>stream x}]_p Rg\dHRD؀})RD-??W_~?H_6~\~cJv_uPNm|@e}whsXp4(;ށoʷ`U ֪_y[0ǂS;'X[??GPc?"㈩e~ׯ!"@9nOpNS?ӵ 7 S7i;Miٟ~g~真~gO\iJvJ_s m︍!<}G/tۻpPJxK8啚줿FFvF^oyӆ~+KW,)4C就_: Xm+ db-m>VjTK8NPп"ENJQF& +(8!'B)aǸt|VĽǭȏv\"m'"f4 kO*;,,FʎRi!Ԧ5ݸ^jo !}jS~R8aw(6ԠXAELA=`&Ijנ< r=?r<++1nfZT?=YpvVLzszs%sesk'7]:sْ=>VᤋzjRO^3kpkjLk&=@.ׯMI T9[DrʲqNUv%b;osQ9]ʜ˖s9>{.w zn.kK m\DF<\ʶs 3as,Τ bU/z2H#y;=9S dydp;B=Cw[m ЂAq<҅4e,O& XLmZ3)жy_Յ$z[C.%ЊȾvNJ*E1c OjV}E;<9O]2x π $M~#Ɂ}c5Y ʹma^6D2bA$*c%& ЁQ"فy1RjVqZY bY$rqE*3q/ֺhrQר*/D#%pkz,UIH/\87q%ÌGEx{"gh>ѨsȐyaj3+Li WbeYA0ST֨e77v$5ӋcJ}UKn/Ը{Vdg!zkA.K} !Y#)gA0tR!¼(BÉ4ޚ'Gg''{Y[N5f֬# sGθ]"~gY!)3;k)6s劙wP*+z+9w!jڿ% O^B veS<^/z9 gVy{RyC+{" ?ܭ_$E64P=4s|g:aiմe5O:fÙoV y2皪 T,Z6yޚ|Ɲϳ#3=CaL뢵5],ZA[Yo7hZںh =l"zXRR)!ݮZy2fLSy4g9Y@ jOrвhT?*n3RVYuF/Cm貍F+(q3n>AѦq54mT Pf)&RNlaP epmC~W񪛏%6r`0}9YF^KS0V-%8[9a {[E $oy=X`{\`G92?΄Yr "+ :En9\]uwBӲn?3cU^ݍ3lD;5 8Juz;Zpz.^#k=QܝeoeseqVs^՝Vs]ͮIkq5is]muս Ъ{cF4pӹN纺t˹n纺뚾Zњ{ZvkŹ{C|ohtk74 zC[u =%\דs]u=;bQZޜzݹw>pt˹ZN*\Hu#9׍\{Ju8q&shVQi01tӹn,纱v?frtu\7sݬu %\7su`X{\7a9<?4;0,?M\\444lX~X~X~X~X6M,?M,?M,?M,?M,&{VssĶibibibibibWӹnibibib44444m~~~n8#e:9TWGA^)cV>^_VJ뵬Z˃5I/?q_$A觾yaZvZ)k_Z kq[}S}3x)^2-KCOZPxad"Em`goy"}l"^}8!AI}i6Ϛd-3�R&m{SUZ5_O־m9l)—[%(>ےS|Lb@ 1Z֑`Kct./ϥC ;CgfU{o1yQu2bxZ=0dB҉kkV`]@hҋ~ L~Pĭ{ ,x;gyn Hv p ʙZ5n"MA,kۡʋF]ChUOmo6b@zXbԙouh;ؿ6/πOggM$f9SOŮ<G'zJ)GS(/iB)gWz`MdR䥌u\-%G%w{A߃),cj T{"k补d[ݫ|raۊeUG[])Z¸/)1V90UMy+e^iRh޽GA)k㑨+^ YT$=|. sgNbޡܗlXA/9-iZ[|z ɺJ9rJ60SfdaNo&F\olDPkC e"d9au3h$9`z9 e9#J)*]$:6ghu%ӐBCtdشdj]偺&+^.gVw;j"ZxHX= 0dqm r|8K>ϣ`5zB2bX݊xێp@ߥbxR-- s{lsGm~򪲪rO-E 3E HG+j"D62VM|pWVGo=I-*-x./\r> ^Y|@e^5pHu_T_J u&C)EHd/ {Qsl/j\'u-F'${)::ɮSF/~4j /e&{Q^N2YOET@Y=@߁$O ҊW ﳠE>KImVom%(,S85s֕<_W}}A7ds.o?EP. qt-{F K~Ӽ޶.TN?~rݪ߉yWtv}zحX ]RҊ8_V^bųluگEf19:-wbSnFĶ~}fޱo8+,s< {7G`P179`Z1w Za#2&Vf8~N^V۸1r2[9pp$v8;uwq0vc;C( PTv<.K!`Z[H*ZUU0 aZ0K`GvAjq`_ZQZ6UPY}Y8B~հp`>L}ãxjG}Z:Btd=J)+#+%e'%kaZ2lZ2iܾѓ絧ѓ}Q/XLKLᘋed>/V] Rrz`]@Qb).K;tU >bg/YB#Gag!yGmi126{F#o :qZxj3ρ [r> ez>}eX$0/}ϼ 2\!pi9 綦pRHgtmuJ*^>% EK,gv#J=O?:AR9fpN¸p~aij4oXhrAZ_>[#y*SS*c&?{P$d ڶ'IJ1nھ3f) ? L?>u}xn?~=#s鞢/iWq~?L2zNv` =, dO۷|lh.ݮ-}9 =,^uEl|{#0hu;1Xi@ɵiqr^NNBWC 9- ܤ){ޒS)l~(qqpe_Jl?VqSNI W ϬO}'r;RX̩j5eΒRCvz{A!\ݣP[=p&bM<8^q$U8zy:N^*zi*oz^<@)2,X2a0>K"`xѢ#=&=9p y|WPk8V-pG2qKԁOy>ĽNJt\׉!>J[i. 9sD KHM #M {—H$Pz"<=*5 o Г5irsgxi&# R ֺZ?Y˭l|+[[X* ]@?xERĹp4f6iOֆ/X -"r7 IRm6?Zh*-SSlQ9Jg:NfW Oz)}kAe\r්4D/ &فdXϝo|/FTjk+q+a,h oܿNy \wH E=f~,b0dq~Z[gm;6z$ ^jHBIFa` _n,?2ķ:?%훗Pw}v*u#I Dc$7r;8_3ZpAPwN^nnQZA8=Z[|a6ŀ-hV1<T%ifpSľқ0z% @ cV[Rn A}o$_+J)b]>}?P ~qBy >&=rOBa}~3WJU/p{I`Vnug|a^כb3_ LNӳgFZ m&۵.nU(kkS%Ѩ4To2͚zm;͝l+B4-rAUL_\k+_ OuTSv֑^Ra `_E 'C9\>QdÀ" )#EÀ|Љ_sG5zK79,Vꥀa par94k3&eН&Gȵ3!NѺDX!{ 4ET;"%D k.*z,A"B.o+8Z^Kɦ !r‹FcJv`^adKgc m} 0}p57~W|"X!+0it *t&|/=S.7`^r1+,mRт8 ︳iL ynaY[E!_0Q ♎nOnxwۛ#빜QSMSҲ֚N>}j?_vK~*uY:5\F/yh,'/ڤF\(0mN{`H=@.Z@z-%+#)|eVcz΃OwnD(= K޹~%&h -Iŭ9_ JżHے#׉ mMsW>T0oNtt',b`8%~Vy ZXZ<߻"CH9jv{R`5BA|@bVt~ b2V`9Z^ vCκ 9Łruu&%Оuw饀n6^ͪ^W|LZ 7@?W{p&" dƊ \/i+"Y/3wOsbR\p+L koQ7qm>*jPDe]tA'pA~He/p+HSEJd\3$IRd@y p_hn`'ፕi~<+O~Po>w/_ 3}C>R Jw)6ı CR~gd& S^?OJ}yU 􃩗_cq8IPeqUiPL&R *>* QۡxS(ם? ;@n?wDܜ%dSW@!-Pgʻ+{ɩl}MGI}ŠM> oC/MR&YmU-zXhC+4*kLxڪ@u0U ~AX,ɻkPKĝUq´#q@m82BL+W2.4 KS8t+:`Ufis;@"rxL0TvV|a3/E3* ɻ0Pݔ>ɤV|!Pt4"AZz s JT-d'*rLDW,u! =KzXJwbS,K`\I(7 l|@\>n޳6JlKIbeO |\TV 0Ҡ,ʊƨHĸWno4ˊָ0N9+Q^ᅯEO& @"I 1"R>auV+dD¹# @ŕbC ~Na*>N=(N %2.XA՘lPX 䒥3 L7]јB,+N"eYbm-c=yYIaw͏V;546_,wY0˗n˺b l L{g{d䫳IV[a 9I>'Y dVrt&eLaiymb3dw0U8CDg_HsV ю \ mg)MXNڦw})kz'3HMow:۩jv=rym|UV H=˱+T;OV#5/(u@HnL[ΡgyMbmiK)h=|jXg QF*QiӬJ`*a+. Eie)@$f?/\v"K!^&s!u;'L&N@$UnWw>YF 4T 7}by\s(UB6g)wf sG}0!¤3&ٸF"!{M;6BAGhM?ZLJ+)l"ӏ,j# Ew!bc3aeRLTke'0e'+pٕje(1T?t~:zX:Tf-Ohf<ۜH;{Jk6$ɒt7R>32F=T^CxʞJX(P#bЧBcbXc}vǖ"KԌME`ru[Q<6E7W5#k`9 6ȯ)5IfkhRy b ~2Nӗl-y{G=>p8xWUT<ůÔ^RKy-`}"PFY6]uⓁLm\d*(1,Ks"e,_y"cAl>D9e+CUޔI B5Qh|w vhg)E) PR)y$!x[J0o>tT4";8nCo-ZBkӗrizdI W@G*i-=*:F)=C* )}%\{h[:t+֭h16l<78Zu킵Q]U CDt?VKp.^^Amq#Y~KW\[gF)P>Udu3/)].+⎢*렗Пc9)d#B!>yhSDeqxhOYˑ%+%VMZ j+N[\2|NWY$- uۊEN-e*J .uR-d%_$N.3k9X]Wjc oVX(OÑYX`GmIQ\8 UoDzgX!" pb$GkҭSk*H_Aw|A:DP;/PY z>+6bp*7ĄnRNo >C\/x4H ML FozḾgxr cXxph蕳mYkNe )pcRRXZP8wP3py|9FUZq8Ld[bk@i4@cևs'y[;ҧ%݅KťNYwNIO9X b97VҀ2˩:ԇK&>jHƝd_"K^Q8nd8PfoZST *R-F`{IU Ŏ܇ r8+GHu|ZV0UؑRr١B ]@cc&9Gc1<jС%!2N a{/?&ڨPgT%?&(;@mykdXjL>GeܬA؏>M<>BʈZfO/*ЪddEGM1sd8Ni[SrV? _0Jyj.r-r Gǁ4]Vn*cnGc Ԩe=Zk3*o/8WIV|+ g:a'9Oc?Zʀ\Q5Vy9u+о1MA 0*E` ڐ%hAb=Ʀ_@@h%PURJ}'beTji*%1S00q.t&hb?ҍf+K(Nؠ7=.QP}c )F=R)8=B " WXw\ZnJKNTk?cozd-#=z~@{!Z9΍ЯȋsxR4]SwL,,Dž᪅GpaYqSg•Y~Gȗ^uGw: >>b`3ǿ endstream endobj 21 0 obj <> endobj 22 0 obj <>>>/Type/XObject/BBox[0 0 574 574]/PTEX.FileName(./35823-figB4e-eps-converted-to.pdf)/FormType 1>>stream x}^pѾ\AT 2@S$)?H>\t4A?|DQ䣝Z=Ooo?ҏ{FiG._׷o~V~Խ>R{/k>e/D bc}$V/ocC=ވH_JnSN|jJǘne}[EoG=[?Q~?JR<Gg~([=??DțV2vacc#1 oβ?<|֬#AԴ>l|ٵF?j?{ru0HTW#X1<_)@-i}EGM&|:cp>?ze3,@ ևOam]B?:QW?o=#SIVuԟa,uqֽ(]j]ΰ:4YRkDImN9X\^HuX^Zk>DES;TV*.{"CN1w8wI@9Cyi7Fut1 )h fƌrk5zbZ4u9&-6ԚqT cCCft^ϋ͋j^QA12kg ϰ]^ޒZeVid(-27,S v;~<Ҳt+V*w*K11 )hm?/zÌsyj5zbytRed}t6/z(7*:sϞPBa:Y:x~n#76F6i^B&bj݌FEjF,QR7_$bqY^X*=/`]JL#-jn?;K9R䱐 u 1xFgYv ?y2>b޽X{љg׋ǯX[X ʯV䴵8`tqx*#ؤ헜zyCϕh;X b mP~Q%%,Za^97vɍVS1b߯Z;w|yWJFg?YvAFQa& 1GZ'ٕ*OAM9hYɴJ3y[%^)UL;Z4%MVKDj~&X\؛)rdr:岖fӔ5@;lv54fnakmڭ O6Υ>6K`#eכ蓰 6Fs7dnLA-=[Y[4644t@$Nml@VjD'PkB4. ;UҚ:xjpbwҡr臗Ϫ VSwjO}U^ 0Aɲ6N-KOUTHki?5קK4 3}̫w!֧aI?u!AmT@uZ@_.8޾ĭm31΃i{gF5x3c_n=Ղ݄ slE*XӞI=ԔI4K'e9Ѹh6IäR# H =ԓv0^jSVjh#jӞP8V`R[m cޤڴOkm 6ħGe/jm,GECEXwKU٣zy!r AڄՑI%qQ2wg?hG+!}˞x.w{-oVlwi[vཀྵ>]osmr*wt&P췗qtSJ\/"M=ЀG,!&mb8xq6U61w4=#x}RzO4P B|~ 2E$R 8b&ǭwqJ[uKЄz4ĸ5xMHZþAYա}RʆtZqX/oMԹ,s&s!3 [O=LMʼq{{jE#f3} 1vG%{&q2My!g%+ױF+)xPg7O+E-*vb* |Z+t<:/x  )ΫVGu9Ӿ/+]Vp%]M$AՁ^m{.Tr _NJ28 8iiX]3k55 fZSeheF=qm%{NipMBvn@jlv= z΢Q|dܬOđ㭒!^(fZZݼuZdN:]LMv@-謘MvBg8ՅNVht{r3M^ŗ)ԛ^RpOp׽%*:f|'lILf EM;m.=m&bImTjnEVOS7u rq:I[2DqTqT>`m2*ywLt梁;cOiٳ"PQXORQ͛ZYMJ4vlY$DM~so{6}_Qi|%g @⍪&_1rma!%rŝv~Ni;C q83{ǺK$ [b.Gʔ[35bQd9Hτq}@DryZ'&hpW?nԕ\ \/UK/e o(1]~˄܂pW˜ ]\riLd?tu9vkO]:빵kRT]t2{m8tеiLAזm]:;pHpb{AELq%+a)ܥpZpAקAחo:n$הp(i(&ht8$'A7gp&Ù&!tW˜ݚ އpЅKt;fwaA7u9ts9A7n%JO*Ut:V5[Anuvⵃnababab00000~~n׹m:[PLWG7ơ/qu 4.VU.Γ+e .E ]D̊䊦+k.wNmT)1. ޤ +t{gط[Eë[I%6߼Mi+{qr.ipsy@BXSElO9ɚl1 ,茜"A~~ʙ/} b,:k_ 9qVEmKKlWٜV4VA;]tuTeiN;|fI*#kQKY`1VFʇX#4Zs5ljI9ь/ R+[{z%_;dI-F"Wr ^F[J=-IU3B5 R֋4)\M@Nˢ+2Mzܟ5Y($Ј~bAqokz =cŧP@I>>iI5ȕ2meᑑ\%n'"Ax~#%/C@/ sJ Kfd &j1I9\'dōwݿԻytRPh0/|yA{J)`lĜ+f͓dM7C'=]Xn Xi[Akh]]Kh~JAsv&3%_6*s"m gNQ{6{zY{E}JV"wnSڈXژ,$3=l-> ,^$m7?Wo~K_f3xk/Ia4Y'ì:>z~hGibQivYrؑ@rO.~q*?b6R( du(WC~ǷǤj'SVx{jm!52scZҽ[2rRߒi6'TiyjY;V\C>u#oP\kyo-b]K6jln}M||M'>ƞ0.;n9Ƭ(i+bȂ ryJbȯ1 3{.y, W(/!P1N~rJ#AܢHR 8+^wʅ^i"G[G೭"*r^%i h(U!Z[8˼s$_t."Fg̣Y$X$Ŋs4'WI^S + 78TJ]8Mn~?f_*t؃Zt*߁ZwnDZBS#-9) YBpHrsDO%TXFo'qV5Kuk$}C\9p$ChU,3'5nJV:2N҆s^2MVGn5^^$EBxUˌkf =KOd=CthH͌'R. r)3&/xob̉GJjgYLFQ7e/BsZ[c_1#65>ת$.QWK,I,=J:X=Z.eU~ՃŦ\-?#XNxw[HjmXW(;o2րNHOhAX^OkYȒsW); -k br=:C9^G1V+Ԇ%c&YE- GzE`Hv% fK8z /qwGd%9q#XX=eR"Bʽڬ u[aN Ijcm\B>-H"ª=/ۉd%=Y}(l6()؁O}@-JG%\^ja2 nN(,oVBi߳ò-K_TX~; oi%VҮ[.G~E№X28m~or-VRgq4oq6H eYFӰ7_F㕗=t.q' >qsfҸlx|1 c,x;*]^pa*k3Wo4`ZnCes7g+5ӂ1-Y Y*2 Dۆ(]ŲѼ:C 5?G@JD#>Юe.^b4557HGnȭWu !MK4/#IC=5^ /=aC)vXmZ"OKެІDelE%do7rW^Q-r,A'!mRG/u'Q|xKAzk^"OkO_"]*.m^NܟAm@6- y2Y|צDZt6g--mU-8z&NiJ6 6'<q^4c^IzrW^c8c ]1%T9UGSb xTɐ/U%:.A6-fwpXUsp팹M/nю^R|=-Z$MiS{M GGB˅[ -WԠ<,(7[h~r5TV$>Diդz;/Q a[1+DX.jC҈`z ɠ6bY B6JMXN )䆞*uVPvavĠَBY7iX;^Ũ9҆aߗj3ģss[OZeDkXѫ1:KkO9{l߽ssOɒ/–p;x:f"Ӵf xKc[snXZC r)-V_n!+<{cGSe!)_zJJG~,g~Z hAo ޮU?odQs}nu`T2W96~!in׼7r͆3bg 7ƀ yX!Gqzwb2{~>KZB4{^{AC%"O-]q xOi~B[~a5'A_Gy;+'kK~RSl*( eTS,34>ũxmͦ{`ӔQuqu9뛜Cs6XNZQZ8Kv-h~ع1e5TjPk(kS"Kgupadm8ߖCy#?›\WlSY 6rҏ8mYcsi<۲C_zoZ|t-(a+I?i ڊ?M; -w5wU&b).Dob-C 1'}J}p/%,~)a?_4Sc3=an\&Z-"1V̔au `K;˲pi,VjGHzNAe&(~v@B۪dȜJreEHrV"$v*~4̠$*3 ;8.!庉teﴧ*`⚋(;;~\tDZ_T y8BۮZG%œ2vv[7xr|QfS4*G?n?Z-GxTYg,wҒ\D"פ7V>u+/sv5-AЎce'%C A Jx1xny]c\-@V._|ֱ2\/hFePjlq]滤(B_zӋqG8^J@S /%4d}V:K e|:F*3`_36^*YW* 3x%;WpC \ZT6Q)(;+_O` ߛdF+/;@jyk|f,iʐy ˅CaX5=Tě9=%A밫1{n@>W}dԘ@puxuqvh:*bCI̔#8v`w* Q!0uSzm.fu 87 18#W9#Q,uW꼐 RJlY oڼ%oa/Q|!F)9p/P3(;! *:;`_IԩNٺ"иyܒ(mupO9.]\FgWD^}>hL%`_I}_NK ~饄}2s^JXl/خ/Oی@lU[%|Ǚ[|LVz%fPKvV:Ev#k 5.%jk~ BSEVѤ)kͤj8(fdK k47TSx` xQý|v-j27**a >>j f/;t+j}sZM8x@țfh 5Hԉ:ީ42߳ v %9l~+GROvQ͸j&Q$IijC|9 4Uwy %'gL0}ά|90T g&a%E%Y&jo+s,>X.N„|%?udO{xoOsS|`?!j}Xyi㱋1+CYI[]nDL[ hI٧!ƬXw/d03 ZkV1"#qYny!yrw*J%Iʙ˗xKj@{Z on#gS)N[ÄttLqj}ۢhoqoo^;Nn 98R~{Fc%VnqVձ$3W5&ƥOrZc{'i¤v`u60p[LvHVN ыCE^}lcv2b[Ex{{˭~'[K5}u lT]Mӓ0rbMۗԘ lWA;c'|j9aK^ bD"5NJ"zLXJ>Ɉ"=Z J Sn 0@-Tbago1:dz0\Ns6vHLrm-=SwRq;+g jeQ1K`\Xt\ScaxmG.{[C{%8@M5TS^، Dˆz |e3Vl++Ut;n~g}!W+-p3ت!R`mu0gKUKbDOq7+(ٲY1+]vw-O0JXm' ;@-ΥV_Ǽ[{4K"EVxb }79׷ôsک1Հ*䨘2 Xr#+K. yFk-9~"!}DJL|C8@b|%Gc|(b\EE_˪@O=5=]3Oa;!@ ޠ. oCAT?\1ۯP\|U>܉P(2l0%eA P$HkVqxp1VSS^8O7RkGui'2m$EBv)r>)q n\(P5 XZl&a cI!1wTPWz)8x/@0!꓌){ r5N:p k%1K>jnf{/Af}IS(o-pSÄXI{YY\v-NZe4Uv #SD&+ 3v(vKV~bwSW Y̶GWv#ϐ"Gy'{= C^.GxTJsMj)G%,o '2R8l`{5[/zb`z֙:J,( E!Ja@ 3K{EN9`ШWaG6^<õTȄ @J0J㴖|Hi6({nCJ̒-(fSl"OAl _NRI|ÜJХf^Y,LLL|-K 4Ik,3f~]Lm!AD(>s[dxl ɤֲS(LE`+̤ml* :; R8h5m5eC:Dw`2j#T2B@VUg" ##IIUA@N3ț)Hr94BE|@ 6X3&Xz=:Y 6ڷrlP9]7V+}zM X~r}_!#Ӓ̇+[?eKicS)̸P$Iqi6\2H 3,HfŌxx'3g՜uM.uIxE9.G<X#ksO/I-a=X,G+qKqqU N䈋Β^gc|F ^xkpR1QK\+}&Tw\YBFP8:)ID%uhWZtoPBWWB]gDQ%J0& g%? p$rVN%V݀Xie)yXA<,vUdZLie}YP}79! 6' )ک]Ltr R(ebkt'˹p8ЏHWt^ 90`32<,KCYp6wKHiRhvV#6ҧRCd̢/$v{ in9z4A G]bYzU4%3;"9? .\+[ m2{e8IA+9crg#^jԪ1IуIH-O&$pF\@'6J*wϾtF|Q#}OP $zIb= Nd$+$((]T$ߩ858>(a)[o#%{U6/#/g8gμTy :˛r֕M*ʖiПc9)u*hARu ǹ}yu娯[* H]%+YKdË ^ ^,QT6[$I(lC5:ජe`m" iV ",ԅH헊ğpL`Z_*CØq1:"cՂ;'gX!Yj@IN ѥYy;=R׀Cq쵉X@HU8-*ŷe hY" 4ɩb" MY8x ]fD0xTшܯIix-Y tSsώnyȗ=[xp8e8dcSBw"0U#VCj9*8CN)c̱u?bwpIyˍDjZꐻxֵHjWjC\(q#1KY[Y+6Ѣʲػ3\Ѐu/x4qz+p'O'#̻x$ =p_mD/]YRo< V endstream endobj 23 0 obj <> endobj 24 0 obj <>>>/Type/XObject/BBox[0 0 574 574]/PTEX.FileName(./35823-figB4f-eps-converted-to.pdf)/FormType 1>>stream x}d9__Q dkTȒB4$p0.w~pA^~+o_??ү{_~\~??e{}rjWHQWDK_|EV'ak}Jhdœ WI()}NKNJO eUJDE> u h^W~'XԮ_->Y?[gӟs~s?ҿ"89rO?󶵴Ow~?x5b=?zeϳh-zHt3'觼Ll{~[N`Vl\Z,GKq멢CISW^,?XǛݮtjPST,w8*s1*+ F!)-6>W>%u魧DFeCq6o_.?ȸ^sQX=g??>O?\y=d??=~D'7`h>JF<7i/' -i*])wHq6G>նRG}h7)];UJ]bWZJViOPzD^6B/gSڕ˜th7{>3c9Eb3u󺻾{=v<OMe5lDR;EVەG@u PZl%`м_=&/In5"B-;Zg{ /K^4zaVj*WEzpnc oEyXRO<|i҄t"K`#xj |;JKWW^ poi%zFKhǧ ssSВώj9jrh }Y`mPcăq7µwZ0R MC<ζ7qg߽ާFENA+9H;a6%vU{Sm5VfYMqqY]٭0mMRxpam4uItxZOߡYI8Ͱ9`>:4ަ;9!vg9/şC5ޟ2 B9YZbym %rsƱN&$gsMG_ԥB u9;? jsrA2\{VLJq({Թ942&KuKHx{e [6|uBGnǁzɄ~Syɕ8)xg]r=,*iД!K#фc1XzJ2PK5`FB}[psR%!qcg~ K;bA50\!AXY \PKŚCXQ胾DxUTUO (MqMKtiYߴDLpD t O+8j*c˸iDk89D{/pycʹAsF㫉_bߓyj\SfO~ڑyO;2Z ; jh׌Y=iOD0Q'*-٨ɟ>D -i|vm蓝 >@hwct];:1>::qy(s -Oi^A{Ũwuq4i 3N[N>}Eä)M:_58}z1Ñ+ݠQt^|Aԭh ۤVѧ xG<8:ޏzwS:fMCuYgjJ«8TJT8KKڇ>,5f^sxg͓T3gдNf^qԇGV\d^q;2zW܆9 d^uyխ=4egZx7XJܲ%zG]vD(jTgxo DŽ?^ ?^ ?^?gxӱ<Q:Cl;rMww$w􈇽Q{3Q׊Wo\=~_)xƱlN1@cb+rGXDmQ\ڊ;Xz{/m6>4T'n\CQIQo1?4oYg:;G֒]gDwCgPvмXkaTmǨo<4y8Rlg0oygoXۆ#vso*yUijZ\I3Iwe:\pi>acx4zs ]μV1.=74i)ƒ:|}U;gd5'a}Ԁ4z? IgK_@ا<?}HiX:l oASϓIv",ұOY9<;v2^+;ʎ7muڃÛ[CrM( NMCzդڑ}Y {ЕT6ğ$(Vc'G'ʼsyNH*49<Tm!G;bɕ?gf*?MiaY9h&}QO H?rLF])CRПzB͝2Ȏ0fEWc}4a<l5bأ.|Jt(d Kn`*) צu P]ɐ 9ғ@2</wX0 |L:i 񌬞oDŽ؎O~mxoZB?{tjnǕg?1G.)y'I {ǃ֖hm ˝ܶD QHp 4j I Jy1=q? ##q? 񌻥g. sH %iOؑeN- B9^AxsȁO}¼XOW%}ca(^H`;,GOxtC n0#˒/rDGOzQj'%r/g{],yĻ>a_,W̿h*oc/%#Ĵ|4tիsn1DwiʟUQ˄X!UoDkxv t8ZAת5]kݟ6t=jt5f-a1tE߽?tsDvҋ/$^V;p*&A{SB8?9䎔A'(t(!NE ,9`o>ࠣOtVrЍ;PA;o%t}ߦu0nݬYt Yt栛A7Aۓv>0@=?5?߰g}dۧ>jl,wuvkvlt*g"?P#7_^w+etN\ 9˾g/ ( FW=4Ed׌oIpRDvNǢ4x!ryA(OK5=bvWml9%ՒQ;oT_J!UB5|h%mCZdضSe.mНͩ8}QW"'eZZx r4@h_*KZ`/{Z@Q CK~?(k-2*=hke98G)(+G@y8%OIM9hdz~,C)dӭM6֗?!͗Q)7Ueד4{_UTJKz-Eh/(U-Y\95)!9˥ɼ_Q"MtB;b]TB sv~ifHyR %%}Hmjf|EeݰBzCU?͵W{@H?&{FąP.Xo8YCn긲|axa HyӔ9;J(I h8ɷ)SB{P;.=JIyUj"4>`68a6 D \YzQAҜY*k;0yU.J,i?Ux,B'1 []eQ-[눏aϱ GwG?5kw,59&U2?T3{P;nڬ.ZvQ%xDR x\;t/2maK c˚%5DޖV9Zb(X52h8/ZyYIa5hVtan785#VkuS.qVWv޵PR{!Iڹw-{-x=LA ڦc_ kl5 WmejcY[rj,LZjq|XcǢ1$rOc[]'79D!gE~BKnrn|W pe 9T+:^ $:p C $ 7#VZ$Wnou2F.,DK-I6)^Bb =WG=9Z3h{'X黯F>޷qY8. 8/pBP+ڼ?hҨi:]K'Ӫ -!r|ϵ̋oh;jr$W-_. r!GhXZs5qьD5. ֕V#u+Z6-4ZL[٬^F[Z=ԕ ߑ^6aqe"\| -PZ{p%Uˢk2Mz?kIN7iu?jp8zڠ94}OJMYqoU 7o˓ oڿ ͗y !!%a@iɅl_cy**١Xz*GLRski ^jGqm9b9]TB 煯1F9R %}6' ML<$sĆI,ISt3".t;4P/Ȇ,LPjS"K $EUwL1?u6GcfZEbn?6eP(Qw࠼w+\,>p~T|(Og7ț ;Zަ=9LM_n$v,{Y|`mm~&Q! j"eE^hm4N$ArI7~k]5+ZiBBt~Yͯ$r GZ)8+-[ľ"&z`]ڬaVIbfYh%rOJ%qv>P=Fl?z ߶k}#з@QaRޱGKn(,6c&nZ~xvة(my b~i?BX^"ⱷ۶UĢdS~* cwǣu)[or9+Xt9Mn|W Q2pe/ 9P>%Yˑ,P'e|W#AEG`k)+lY˴j#Zփq]S  WJG{w|bZsH"NPdoctY$ X'Ŋ%m $WN^ + 78TZ]J~?eU+u8ZЍt*4>DZwrwH;;3B&|@ZRNb"+GUvYլf9٢m Oځx𜧷VxD,1kuC &0eXk,'VBe8*RVX)?fI?AE9px?@şxDd&'RL o yzhKvfrxGh-[ht-op>$59gv}NRJ'iYJl ڗY#ӃJOEHR4aE2WKT~E[O\IG9q!#S}G-dY_DSjFeOLqJȕU^nŞW%ҭpDrn?[3ۛ?w2 *GʙzCm9HBnZӾB~Q=wȞKړ,lϑJ V3Ft5dno1K-Lf], "_g(KQvpDzF@kSoˁFng4;l_emŢ,Џm)ŝ;VLB7q΋uc}.W=psA8X B9oEv/H`ѡ4JhUBz6Vj1? +RS|QwFMEaZx4 $ߪǶ@JM$W߆+-zvS=D!tlz.6@#w9t?l-N7H(zǎq->K 6BIzF%l`>AG 9PtP Au+Mq.+W86PC&Vw!I\HZZdC>Wz\Oz5~hP[aE[xEG\ǹ8z*k)Gk  heM*p Dou5$p>y4fVWұ>}rue3Qʯ7*Kc?](f0oAo`e~o%! [$% +%E'A;[ة:tm@Pi=s5^xt$Gt6RZ*Ka[-*>!]B^IΫjSi39/9f${D\Rn0S Ku;VDq`3\HI)5.mꎎ=Qr=-ZMuhTf\ |+t,SR6KR6@cCyB|Kt~Mtu.4IaA =xߒϥ5u$0D`n7L 3 uSyaCwO8W`yIZ5q?Ca v;]r1R^hK􏘼Y'H]T<-^[\9겓S$_{X^j^7ij!;<C-a+ [ӿG(7#@*(aF4f6oYfBH,g?4,!-%a+=E%V=GzcLP+c o8|EgUVW-vh#) V?J ss/qK ޖrq`)1&V/#<2#eҪˌ- ~jHh;v3{U p{q9m2R;Ky`8Y#x7o9U(_^eJ) BRnk~#^{ZV=ozK5âͤg@Ar zI.KG1+KXCH?Л|K?ы{9OF)m,HMR*GIIWC~qdIqI-^e}804P!{]@E0r]}CD*# O5q1XjRUIIF:Oִ-:nj[h t]oB-h5j7טoC-^m=N_fҔǘj+.3w 2%~Rj9돂\kRB̧fJ'P_sUI">(E-.jQ6T03CX'NIPľ`௫n f/yZ8dCc*( ;<7h\f2QGCMopF!,?p]I4lՔ.Ko 4AS|g /3ƜcfgIezGY3>kQ 5:{F'BxA0di/|˙LďbtdT` rߔrŇ|OPw$}|JoV":"AY)EnavA7drWr0H!+av'wX-_-Ƽf.0yLyN{Iyi:aN[k\|֙|9TrEu-}b])s/}|J&92v3ɳ.ԚKkߜ9GoF8l{fRz[ZL|6[#}%XQ *MB4~Aeӕ力Ď!g"0n0bE $u!CkʕDs! 蝣w"̢3CKbfRe^:"}kHA0 Ԯz.yus^P x fᔝ6䅓mHk2)jM&̬fMmѓ Nhs[ZǎROuTUm8񉯷ɒ!68 4n.cTx^9zOh=@G%a⦰!Ƽuwۧ+.n1#0G Vilc^l_ܩ+nxNkRYv N):gu %/H8;(.ۍMACqM`8ܯeС_HWZƼnFx3śߌ\f*t%im\/lЩ<'* 8sD|&ھwL/j*h|N.p "5:\> XF+n;6kE>s^OOzF![or朚uiȯL}'`!_s?f)vB5_gH_Qz;5P&Ģrӗ150FqO Lzn~KpE9RC v;-S(Sn08~>ߧ=6 يuD ư]w$!wV]1UsFrG Xȹ,\H$  OUA2WΫ3`֚:jHg]/>~vj޼BB(?J·%.wP&rf|C6;V ^MH3t_? o&jB|5/44 )/4˕5|5XА/!s%h5̘/wl$_hȗ B#B,˔\r},(# yX_ZC߳ķG2<':eA>y.Z(9(&ROhnq#̥,(5ξ9h6)Ҧ)8%hM_Y";# MDc%'o9^̘@+GIJ~@9[Nou3)R8?edKAK˿y'$Y,LC% 6ådҲy/YjBԧp«`0/3%VAa$%$JiVZYA&ap_ d 0Ag0MbJA%_㶲X'/MLZS.K`mr 7M *:v)zxBZEK5 B۪8 pR`>>2E~WMvX^J)JPU`!ke1>%+##|gS){AVmxK`>dE\E(k#"" Y6 ]إZÄI`1fm~Ԣe;m|g[V>oiͥ C!}r<é[^8_i 2JqO̓ud!Pf3~9*kqv}B_q'p,A-ѯ0U%R*+Sb/-t+`LRKqio{bb3:Jl,KPGFXþsHhY 1iԫ#E>uiPtPxypZ8NV-Af#8:%y0%ArQCWW!M͝"mx1ew3X wL0>',̊7( /T0%/WPUj Dfh?;vC~#0DX #oa؊Le(UQRaBw#kd lb2D?!p!ltMH8e ܋>ptN+&^GƒkJ/ q C8LcH(ZXb)UVP%lQ2ġ,AK*ޣ!Oj^KAE,NڤjA9ҷvҺ->VcÜ) J NJ0|8^ 臼uf))#|@1.qS)O AQjÈ|ȇˈ|xȇ(7Jȇ(%RuCrYG4_R"j7޲VA{SH}4~^BBJ0VbI] '~^2%^ dR,f6¾f7YT{X꾻>CN3eZTe_UfL777RAǨUe]Z$hP ֫C¼:,=v/Yt XN%fҜwy׎'Х_5x$AO(VP kJ%ЋZ8vYW]7d딠[ׂsArmJt{28I008%t^Vu.y6z`!'lK4\7v ҺJ$xڼ a(J\BO Zxt]f'aǯ*oM֢]$5PG`WGufv:q2觓",P[$,%xQBaVa[YJ~?^3]5帳?+ɐyr/|wVeɟd@)tz҈tJ'xEzDHLy6'JЍr_FW]/<d)O#YXs& `dCDKhC0eFT%:y`2isN}3;0R+ T1!ܲEaIxQ*EtyP8X ΨK’XwFY/6c+u奅3&{`T e>|ed%ܬ %^M"|4/!N NjJ؜mqyfӜ =N+WC=Zl>*a9t,o)OOBD.KoIr -5o̮p{\q`PA|ÎJCq5-Y2F]ھ#eߊK04HMxrugT *R-F`BWGp%JcrRg%i׌QUQ1UEKu钒{5 %4Vo)"S|MOV\&0cXO~FIPW a{EIpϨJ(6w>ȰԸ3f}ta?t{-Јnm-3S$ E z9ZCKFjZ++@PJX31xX~y[)5SfSD5J|lr51G7sqPwqvQr9iVz]KEc8_qk Ġ*g`X٢>t2֮ 2}^ >SA ׾N~ѯ2uЭڽ~6Z3344ǰY"qhpY14Fkq U~/UJk+k 6%`JKk`Jk;`u E/' >%XJT#DZ㊓Vb#ĵ+aX%4AnuZkw&knZBK^Vk_r۲Woںv-#]2_ts yUFK ݰ"eeBWȕ=nXWߐ %6!w֫_ĉԙj<|G҃{5ܸ3XBI!2 endstream endobj 1 0 obj <> endobj 2 0 obj <> endobj 3 0 obj <> endobj 4 0 obj <> endobj 5 0 obj <>stream 2019-07-19T11:06:48+05:30 2019-07-19T11:06:36+05:30 2019-07-19T11:06:48+05:30 TeX application/pdf uuid:0f312f42-6b07-45eb-8e10-7c6f9bbc4a54 uuid:eb6b3984-825c-4807-b246-f08e5111cb7f pdfTeX-1.40.18 endstream endobj 6 0 obj <> endobj xref 0 7 0000000000 65535 f 0000093015 00000 n 0000094206 00000 n 0000094294 00000 n 0000094370 00000 n 0000094422 00000 n 0000097824 00000 n trailer <> startxref 116 %%EOF

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.