Free Access
%PDF-1.6 % 4 0 obj <> endobj xref 4 8 0000000016 00000 n 0000000595 00000 n 0000000655 00000 n 0000000869 00000 n 0000000994 00000 n 0000001234 00000 n 0000001275 00000 n 0000000456 00000 n trailer <<914E08276F6C7D409DFF7137C4AE576C>]>> startxref 0 %%EOF 11 0 obj <>stream xb```e``baTaLcbM~(6  f@; fr endstream endobj 5 0 obj <> endobj 6 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/Page>> endobj 7 0 obj <>stream H*2PHbw.=S#1 ̌L ,--s=s\  endstream endobj 8 0 obj <> endobj 9 0 obj <> endobj 10 0 obj <>>>/Type/XObject/BBox[0 0 474 354]/PTEX.FileName(U:/EDP/NLM/AA/aa36040/Author/Tex2PDF/figure2-eps-converted-to.pdf)/FormType 1>>stream xˮ$I$/8 DxN fBBb~_NҌG橹d_{ȿsGOX?޿g\>}~ѮvKQZDGM/ZW9kr:S9Jz^?kPI Mϝ@ɦusY Mkl$k~A!tJ?JlZ럟e-HvYi?,_YJZQ֢dӪǒe%l:F6%VlUAiw}dӺMk?J6%Id^_{Jr]ϱ}lZ%YjgVײ?u|y\Y^_j:Ws]ڣdB{-17O2 >Y|M^O򎋤̹$Βc਩T]=HPs]S(<_%RL{{}u)T(Z?`kez܄Kgdg[ل0j2!$1 b~=DbׇYeaXs1:K M#F)IR @3럻\?G_rYw2Hkb*HV\ZD7$MV}}uM*olZhZۮ%s\ť5dMZ}E_:z^tj?#Rk O8ښU=XZ+= [jj8Ɖ%qKЮO t۳d}x5ӼY2SϞmm ۠H8^/bn7Nɟ֋y*+E-hy>dM2RPkY{1=2w-+A̷6m}E3/L|X \KDÚczbѣ*uJ>mKG^*\D<9TOXWk9* 99.k?ښU !6R_l:[U_OJobtziY1[$iVꛥ_l֢wb w g3aͬL6 Q挑Vv㧍ڵq:'7OIz%ڋ n}]56dgڸV$}_L\ KTɚceѣvm=O]'v7ERDQ*5l>#f3Z݄flB$~ݿYaSE t6e2, IfeZݥח~Cح~mٟ<,ٶ]k]S4'NJ1d}k7kE:vY-N5lk#w}vyl|wH>6Y50&%Y{;ZV %~nu^IRO|H~4ߴu&?O=.J,1SMk}WuQ+-)AhjV$kɱqm9%Ve/iX]zM)*iݜjߴJYKuQi : g-HvZ&ٴ: ٵdڵLiu?CkɻnZ&ٵƳZkI~тj]g+T$Xc{ )ٴc}Y:n&53Myo=d:]~Y(E 6UuAiSɦՊLY ]k}³oZ&ٴd>6-Hv-PCk]Cɮ5d:7-H~Ѣi]kٌjMg\M뮏ف]K0{2ɦ8ܦɮN$u$x>Hx+nh ,dD\S$ĴJY3ٹ풬(;FQ%%9^ruS) Ϲt[Jg+K|7B}MsW `LiMGw,IR.˩%W|oOw| 8Obu> F -\ ,IX>-䉦fׇUuՠn^3c3-v$J}3fy]U<xs㲜 T6.֟7%r:s_q%YA]eu"Fujr}{\jk^[{ޫzBZ ʱJ0CnLSu[Vls:~J{ۣ瞬ė ú`c)!$ 5KV cIw7 s)T 5@zi_,) 6\*bI!6†(iC٥-M?î1r͉$YK]Vꛥi7SK4Qro h>$馬c@Ir/mZZ&M[3YL@Y8xMlSk_Ӎm"jr!pƫIqfKgZ5Kgo%C/A'w?䢢|0`"zD >aCJ|^ӆk8oXaW=vn }%aizZ:b{ 풻DbX=[ӹ~<L̨wk̶]R>xo8Ώw}+s5G/aͿaj829ln! ; z*֑s*93#ܵ.s:w\O/h1-=z ޳-~e:ϚW>^jH8{)f_<^ȇzclm/z5pռiR nAbVӿaXMS93u1Ft;Bvv[X>-9^K NYZ}U~œRPSSB-*OI"j>ՓڧG$m9vR&Xv$rKc:.YÆiUsEY,QW;4&͗P4;^[-g&Sx)yZ/'o>_&-~_l1K2{c;zٮ_;JfKFpVx~q^_i1Z {|9fRMn5gi"%nE/iʼnϚòi֌rnk 0vIؚ>m@~̛Mv5MGkV+M73Zf>CS3O=(E8YKb$!`08|z95%rTR͛ ̲˪146X:Q#)^44`L +s[Kżf;[=M0Pޫa1.,čWM}[|io_#܉YWv'VS+Vr'S)Rr'VS+Vr'vNZ(ZQYVNZNZɝ8NZNZNZɝ8NZNZNZɝ8NZNZNZtpe^Wr'v-w'vNZt'vp'܉C݉]݉])|6ɝ8GÝ:(L(MlU݉NZNZɝصܝص;qhѝ8صܝص;qhѝ88ġ5OĮ®iߴNU;;+%wbrwbJġEw wbrwbJġEw w܉c-=_V\ GoZf͝1B50x92 %JJӧց{jDޔ $BU\߹вȰ`UVaֶLGvrH^Jϩ| RٟC/= ҬYS&k_>WYПJ>Z'}OxsM~[Kgk.d PՌ =kBS)G-n*?svXLv*Ջ_3$1%Q~dOQ%[MK!bl1jfq):6#KRQ* Vs~C{}Xs>۰uQߺhZo=\mU_Ƙ. x(ijV`/5OX}RCMXx鄑^~՟uMO!> fՒ,))#ݞcJ&!CC%yV*j8y&|z} < ֑TuAlOꏅ^qI2IR$odk_b+ݏ\UZ*ٵm>:t%k{!3&_,m$-MR"1B)j2KU]r&ɭ[Ki>Ǹp`k1Ţ>ZKX=־~ڷTzPszGo?&hE=ڨbj$J[eM:ī\qIJTA6ޘVZ4+C RӨU.{ ,6j[Uhg> en]Iv4 Ye`9:z(Y5T%{~z[l[\j8ݹׄSM7aKrvJR%n?;!" 8XЧۉ%=2ͷ57#*M)УrUcE9\?;Adw,T++_zu- -d-uZ1-e5%V*IBtjQV;A*D*$4nځO7Oݺ\ ٵ*ZC"L0k.雖]'%zB K恗/w=$ѩ A426Ԡ@2y6JfOIJ# HxŇߗѐveBzm3!zcNkJ ]cKgw+]mA]>s\4.^_qq1.9KŸ`aIS_120u*xC𚽋^w{ݜbSc>LDs Hգ0k@C\b O"ѴOsAίżSvt Wtȑi!EJ\B N侞EL#S'o: nV콤IJ4$$檋pTY0] Wgr)ڮ\-+k%0N$0HT;]r9ׄYU6`l |z:cS#R^ؽm[j%c$m:bCeQL.66IݟNFu_l֗k~"D2cl { <}5FCxmYq| C9Ɋ|>M+T )>9)z$ dV-ňsbM*W HjWS{|k+I6;fɚZ;Jmrv؟~(lCW:˚&7Cᐪ)ZN/ ^U2(qrHwͿJd|Xw礁lOKMW/%D)4YzfuKK̒),p֫B2Ix FjDX)RPsVW[MbPԒĪ:D3>$p:4G$\ f,y* &L,qi#J2+Mh$R_ј[+MFŚ$n$A\Ku$՛׺Gt\IBU/e7PT3x^[_ $ \iA]זeg6ٴ{ M][3׎%qFD8Tlw1ٚUl9 &l2sLIcVɡ[*uF|L k~7~xHľQl׼> J_nH͞^s˦q }I SU]MI`ζnźhʢ% qinu7rI"Ym5Wd l3w"لB sYꛋ~Kb[VkݖG8ܒ?Rqq޶BJ쫸 Za {w|} %[UL#j|.!"W(4āF$$!6M451sM C !oȩ {E"A7o,V-Uְ݉)~`NO%C}spưH.,9jwSj*E[kFv"X|ow+~Mc_PE)NpaUhHfYX ie*Tͥb꺌HbO2Mp8mV{rjԈ`iS1PEA|\@аu`u,XIܡisT@Tpvseou@lOa~]:xfGwHیl@>)1iBT=(''1I'Γ˚E\ VR(?$R̜ S|dC\MIo$&cL^ C7}#A ai7-Nzqz>Hn&)r&Wam\evڒQ&PLN)}T}KKVw$ͽ^)zB#5.DO2w vmԮr,\NC5*MW%Fe2 e >I&~%'iⅻ(^ Y_dXr Z rA"&#8Knu\DeAk4=\GSUw]2՛>-kLA74` Qtd, B!%=-[{!݉S DTj cbqٙ;Zs}8dw9פduLbKYB6&G9rk!Q$i I ˨%?fA(2 |sɴM@H:F:Woc*1IJĉ,-י&x'}gpk[jL->('\!I©8$ÎIr?\xt>(wOiþ9gdޏ^Ϣnh[ӟb*0I.{,!᜔$a 297Skg 4[=E2jWTǃ57ӎv1(tD5Bsjt)۱O1:`JHi5s;* ^;J )v܈]Qw/XKelZ~`ӷZ$N]&U0w )\5蠈ĮCZki nNc2ҖZ==e۪PVTE%`.?.q԰ysp'2˾¥`lڍHP"-WKuhm)\.-m`Z:VϪ Puik9|1u 2FܵtP#Zw-<戼F "gE7R=`R㰯"JOa &Rj9nS]\S-W^̋&KHA-I^kOI KŗHg9xO3'1p%Y5Ѫ/ >^=Ե~%e9\$4Nf%#IKNv!'$&dkM[x756ծ 4CMA9qdFQiHu'Oeܻ. f+ޟ@cʽhe$rpFUW5n8u6*8ש|$Ce׺ߩbǫ}'WxY.[Fۿl'`ϖh@ "1±j 8Vi؁oݓŷUsbUs:~$3Noęrx] &A.L,sT`'Q/`6 f M 5*H FEr%g ,fztD|j~Be{ KD5|cs Bc$0+rϟ9Bs{io`l*}3b.0 6 W! //4YV`ٱ?RAe?#z&_)]$y;K%fW}I.lLk2kJM Z{2 #i%&ZS7͛r҃($6! :hՓBd*ni=,$ak܇^1pPr]wCz<\;3H$7% 0_8D DpPt"p"YLqN5ľ46Aos `p $ش}OWC< &^ӣ&\4n%.f%;J&)UmjR"Kν]J\H~k >g~'9  9.68vEPk\ȩK!YDŇ^"Hٛ[n9qp g asea ݮE>^,yKS i2n.u3\ Ef0̛Bo( = Pxr d<X ^Ea.=ZO\EL`ȍ`rS@C`)M_srz値r7y值׍5I'n@Z8.>k\7^sxz_jzHuݶRn*0f0/ -}m9w%<g%|y:4\_%) (f[âR~xG^,(Ŗh^o1O񗳔pD#b·nq%\ BE7dt tTΟ3 y15Ns5t>;y3hZJ A&rF *'ͼ/ ܐO A0~*#dᙜ$pMv(}kd -Q%\E5yqQ0_6CfB"0G)yfl{/:w;.^ JZ6ݠO /Sܠu: ~ ZoHL0lDp:>{W/`N}%p7 Bd[(:X'jlQ{, 4c 뵳r",Z?@w%k6ZŨ@˙qhtv<~HӥQk>|&1[vv7 /D^Smrӄmo;r֣qb '?S뿷g9/eKXz*2cA?_%Ư8ꮞ~ V!W'ck/x>ظrR{'Mfv{]"庾Pٽ<RWjŞzUTeY{~;(?+#;& 4:y]xբWGK1Ly[/%vy)]T&(عX|++4]Zv>o:vi"\OWukӕnadl~5~G>VQwݢ7`rN+` ί=xΤ;ZVm71f_;n9]_)0dSA''fVpR )WJ` cP"x>~J^΢Q$gr&U^gW n'ܹiNh'yyHNcJ_,}adWxukb>r-s~rwCB?)*18PR8RdQXB^њdx{BWri.$r2Fy/ J[n\R`O9Bt2TB 2/W}p">r ,Y#) SZJJv^(?%Rft)}dr d!E~GkR%!!(sI3hBnIHWV.b5E(VDل.s4nY BYo=jL:1%tzڴNG;&3Y("ק$nAmpEv[lނ︄kd)&v*JԏwscD;K⡫5MZs@fkչFT%_; LmX0\"5a}h9o:mˣXb`{iWzlkXX/7Gi.ϢòU\%s: ;W!B5U:*(,.D dj~ؙ2˯k8qfn;f[UjuK;nri2IuYρKMj6;T\U'ye)y6'zo4YJ;#lpiĝtW\/+~* wzOQ`@BۮMƓXpY l~{ {H o^Goeܕ$/a_oԨø5rtn(?"_ r 1rx+"en:E:"Lg1'_42!eIҫCYoâ2Z!X7SNsF U soʪEdҩDzz-SA UFE@@4hi՜y,{ۖv 0њI$Rz3o!ʥoEҌ!o4 x, MH@V #+Ig/evقhrWM/(K>{68A$oҬ }4l_"j;7!v Cwƣ5R4}ڇ n䏇$FkK K7iũPMp&0츅D͗DQnHVQ @KFfvM0̇W jMElhnn2/¤u!?k] TrM L7@~v׭>:d gx_-m5<'f\4kLU:%d rt Ia :ý"rjQ/E tֺ݀IH0Qi3ad; IdKYqہ Y~*VŗW>H`t^e+˅y7Q-zF*-| ٶыzoWD8xB)odІc=x=˔N,Zb$VSe JO/f\"u,3sddr#Mx \Lo&o(YwôH;BD\#Sw4h'EleI4v?\"HICfh-Df1U KQZ@PG3' Amw'@W^z D.1Ed;A8nrdAl9_5nQni2*) tpZzIQP͕ۨΞʍpأ(.hOqETFTwc=NiRNF=C"/hdAj.Cؼ:5LJ3;[ZD#8,ZnNţ{_Q,Kb-H?E cVw{%9q$sY`5yICylb܅́xQ@F H LP9$x sƱА ,: jA:MdTC9%~XZڳaK0EˆVj-6Rn$+_n7r#Z=%iO* y?$d<ɡ1rlo9[[ eܒ^[CxHi6;YT3,@w/P,a­2_;E̕ .{! +sPL!#3M$DЉٝ~G$XE+0KADSGɨe|;bwTAogv>NgvOR|6HMSBĈ\`m0R6m nce}?sw\wKU<&$7A"LŁOrMI͙ T:CX BZoK:  E +!)CV*|nRI4yLE!L#NPC:J3>%mɅLm}.Z/I <ާ@?:WCgunpy˨5T|I˹!r79M2ZZTDwM@iB"/qRb,$\`gYjQi|x3y&=Eɶ@όA$B7Ix=9m}a'kS r^': 0up-G=/Q8$x95 ;PP:,l\N[\ŋ;IZAWoZb# ZRfWaS c1G/:2Z( uJx,lH@q9b#tn2r]߄/ǧ"6hAK.0]SF/Z)eDXP\r_Yw ϸ/?Nik mo2$?*Bt1Cu?jg<#C8kh[^vd';d]X]"E%o60Rw;!B A*`qٿH&L3nD Oo @H92:VGcI: E7VR:SODp$$R}X~;P@ _mQ?hTom|UWpJN8]|20ܙ2<bYkq-ȐZY DB4+\ {hi'4U:TyVgy ;u:.LCTYǮ9CAe'Ñΰ-`ֱ#I{)46j7f~3YbO. gVGvRI8 YhWB h HZJ ))E={5]Pv;4lYDJ5 z>:#yq*QK; /Ro.N麯h4 _x$ꊀ[rө`gjbtc NǸO7{NUq;[&jd{ Cw~UHUlC&d pwIB6puxp @2_O{*s89p}? &3ð?+[H@0(=|>$ԧVdž˩H/s០pc&+MAjk\IKr.o$F05Il'NDZWȊR2", x$/3TYGr\c)RĹr1sNLʃҝQ7Z]|=C{ )P0cKaƖb--oĩu:ezkDǧhdhJ2ck~b/@{`g}Y_/EDO8I_|;<c,"M'Rd"'uIIc.:s3uLLY:0S|)xH`V; U c}KXߊe ow7p쟔hUO4C 7D32fᓉf2If_ Mׇ"WSЁ`vC3D[ 4%"K)LJia4wơyOW?)AE#{@8y Gؒ1yOZ-Bs)D曃#3Od)Lo oM=_x|Sܗ30gߔG"ݮi@oW$سLR!Er )]i/DD Ot2P`Z"D:L)Ag uIS HxtFs d` ׋{FwxHT18xEf򞸰E ,攇Hޓh:G&LDl鷨"9{G{H&{ Kbz#adEX9=(aD0na`AWLG_$v2,<K'ϹE"Ϲ<2"Ksn97Xyν +`(snpXK,pԕ]Q;+#=xM0κgH'[UbYs Y<3grx8N%RjRi7q֍ ݘy-] ]n-<+n^mv22sqWN/An$|q2+̒q ]xɺw~oOJKUfjJ`kGՔGՔӼAbl2e3KQ3= yfyf-*³̒zvMO4h6A5yPwo)%yP OA̓j)j W:%Hb' VG=;F Lq{}XaDA/@+1&錻п ZL;JY:]@50zQ_:DƐ^9HC(pe<@RW{-_>o}RpdӢ-/|$&!OHAx-Y :6H!.)$<0؅8@OiBфB܋VpW լ LxYL01J38иqL! b MR}S1!Β!Gh7G@D1odzLA]cl緺p$hnC܆KHjw-ʧu1=PZH5(3[)88OQI# qz}dN^^/vb7mF)ϣw~;?70c6,z>L, h#Boy! I&gcDSc޼76?Kw^Sb} }#UěeMi u2bHz%5aFS' N qO.ÃJ %T /TEQbI9\ҬQQ;<~:e4ȅ $gi D4,R']'bO{$G*nٷgt}#Dn!6~Qc~} 靺(~}͡sXĤc\.NO6i'%T7pxOS Di+}}4=[cl[h+I {)Iz: ;셐0w;d+XlJ F%IFEZ%JUA>ܩ59ilB]>]H~+L8d "QH%i n  rdZ8+tAdb!Xq|ul<^{vr !~_d1"0DKSc$#W= =NǨb<`mzǝws5IE]U =&]R,%C!ZCRJe][)!?zYN fyDax¿[8$YRƌx o|!H[kv0)GR}Gϑ)X}2k,L $6_˽8-E۱4>^ HaYT"LZOV>r =Y;IRMal7^.$inGގI>TyL5$|^*Ț%NK=Gc~l?KGŋ,$f"ESܟHؘ*Oѭ zg|!R\YsrY<^#js>!.>}TLڐi%ez&G(=sQRxyXCxHdaQ*Q$VBz$9/J5߈01A5KK1VW޺x }!H5b=GpJ4xt:ρ)IG4x8m>v%4G^]:=~V14dFLϖ$gh^s?._! ݯ'yϪIjBݿeCeq{_>:̄li$g:5Oъ1_/@olߙL=4a~!ٴHB[к-R].+ܯ5-u vb]֯ۘl}BML!aR }rЛ$A:THS/YiۧZ9xuy.z}އ#RBLKD}Q ai>$ƎBi/7}gzxN% ,a9!(m7S0a<; H"@"tpn̘aNm m&HR[Ŭ|SJإkG<`l׸։/ZNjM+2TpZ";Ŷ,!1-;H7{]HZبoZݲѦΛ`sR"%sB 34&+ouMs@ i4ڭr<[@A^5_5\Ip"nJJRSUbٔmio'{8胦2'%ZId.9%k!䧖YV׉8TR% ٵn[=]Y<%MZ~B+EٗraBT26l@]{kw0B\[G)OĦ 1d(I0 &:{?zw'o$#X*XYG#cd"cH 3J^1m>ؓq$HCNc94t 4 ē>tN>g8%Ԛ}YQ"o5ZKZy{RjY^(96K'-Hv-;f-lZT0iAՊܣeSL҂dkZ꿤I֪Ţ0BMK(@g#%VHȤɦuv&-H6-KL ݅e%Hv-J*餌ȭJ'-H6qS҂dӺ-`>iAi!&iA?ZlZݽ}M Ht,0)0ZJ5E(KrE=rɗأ*i~N> O[thQf%V=K! K{ͅ:;ĔI`% n?Jc@ih<,ί\mȨ*Y 6U aJ}!S8x[fӍ\.EKG͒)q74L ;-_,d>0b*^-:?ʹ$%$)51SYَj1D7r[^?oKTrWL=5MItb9Fj/g{т|;xMad@+ł|mzZU֕K^3,6A0Ӄ1$~V>TE_O8fd3ae4|mӒռC ܬɦ}5kND$G&  vcnirkS.DرY\YU6.F)y}tQdG~"]dEJRѡ"*K'mCvS XkQ vRa~-vAH:IA J>ZK3H 7jbI$BRʰâ%Y‡m h}/O0)$JXf$N%D=@uκ=x;NU$*BͿWČ߫G# #v<C|.aY&VOV,1G<_A꠵g޿gO%ؤɷ=s>;o|=aJ @:mxLf<dqnc<t0APcLWǃ4nըr]2>W䲸/*}h.'hY7-VY+F|cnHu\0*=K?I} BuT/\xESېxՎLJUG=D\]k<2:0~)v5ַ -?SN$_ogo#Y즹qf)Q׿nAu{쓸UjӪ7歳hEhyߥx)ۼf\6Bb# IT(rz&0@˻Aj3۪jDbwCr#Uuѿwycލ %(*G鑥{?RIҺ=kIWZj> endobj 2 0 obj <>stream 2019-06-21T11:37:26+05:30 2019-06-21T11:37:17+05:30 2019-06-21T11:37:26+05:30 TeX application/pdf uuid:729c405b-a79f-4e34-b849-c3052d7bb7cd uuid:fe073a71-6964-457c-a9d9-b264b18e2c9b MiKTeX pdfTeX-1.40.14 endstream endobj 3 0 obj <> endobj xref 0 4 0000000000 65535 f 0000026530 00000 n 0000026581 00000 n 0000029990 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.