Free Access
%PDF-1.4 %쏢 5 0 obj <> stream xݽKfI_;ea^fiLcfѕ hb}= i֫Ώ؍{{||ۿo}Ĝo緿o1\K}oG%b =޳Q{HoކRr{[~xއMGUշG~J=ԆCҚV0Jy4=+a4^BU^G41[4{tB--MP\{5# K҉Tރ=Kכ^R>xIF^w WEz(]/JKt=TMedL(#_FF*#C^QD0RՑM#58Y]OxOr ^=E*K]&)١rHUf#WT20Qy@f,BL)y92# ])#0N", sU(U>u {Jɝ! M(цGP֔"b&~ŷALTErJ]3TC8wJILߋi~ITt3M?B+Oy>ol?L/Esϲr{5i?6CIJ&'\eUzsMڏcSd'[-}9gY{~y>>%ʤM暴p}ey^&\/ǡ4\O'^ǏCaj}볬!N}ᚴp"^\ϲ*|sM A晤?$'Ay&J-,[U8oI 'Y9ŵh?ƏM+Ϲ>)*^\P\暴p}Ucjoh?五CI2f2ҟ|Td暴qǡ\J gY5F~DmE|JMi/I 'Yr~b|J 暴p}գ暴qǡ`>B 'Y2cڏnPYf2ҟ|M>~bZ~[e7y> ʢeq퇣,;Oq}%mN>~up̽^IIXYԛHy1?%:j暴p}%'}(jh?$KҾ848nI gYny~u9]>!WB\LOz K~)i5-Wڟs}%sd&\ Md(IHyy8s\O# "ċk~uy>A7Ӥ듨VQ^7ǡ<暴p}hZq]ȏMl7$)'9M(\<}_ǡt9ڦ5J 'Yo~u{d?6%X5JsϲWy^R{,z5) eu볬~aRwy^ 0H"G7]]gpܮ\F'Y\#+Dq]I ׫(ɾ~p pg\d G&\/ђGɏ~D'Yb1`&G\wPpI gYu*~98 W&'\eǡtNrsMO>ɒ.'+G\wPشm\ϲy}5(*N+g\d5QAJQ8GF&'\eoߴpqGqNWϸ^E5?3J>_E\]q:\eϔcDRE6wHz Y_A,Y&GX>ٿžjX\^퟿jLj ˦78^يD c,iGX}o1d%`=+gc7oGlbXM0 &o҆ݐ:ډ۳6=A^lbۖ4=;3+$1}qS5ceίdQW <=kD> Qg{v(bǠ.W=6l-/3Ƭ1 T$+0W67Y߫΍ñfӒ Z;_V,%W& R^eQDeK;pg+{nCМlЯ1)ά_{=ՊűZ$q}#| ϳ(CnFɕe/=[KWL|=E)ʑy= jnKtľ`+8M SYX؝.2M8c:qA9)[@';+{czI{a5{H[_a orJ֧:/{v9c ޝlbт%`uՆͱڸܽ1=1+ (aύ]̓2G혩6aB[zWh&E=B~ojbXm\^1=8kCViV8Gy+S3y~`Rq#}wt`8e0;nAP鲣nL=!{G}KbQd%E/f+6jp}a't|)9|Fj =Z9Bsq} X ~( iؒ ]ٽÞldm^zE{Ƙ'nJ|D1%h2eDo:H^{u8G~70zȑJ^18V^ؘ}͞1fF,c&QsP Hu lƮm\ANK'`=xTF H{ /RgtdKr{QdzRH mϼ0<Y؏ҤHۏцFrglXm\^a=cdM:Tv 9ZQm>7 ޞT!:#`=WJP ;tglXm\^ؘ}͞ɘ% GM8&V?LYbel򵕓"j:|{c7p xWf4.n'lpnbg𒰟1&E% S?VL)6j_oSt,EW"ʒϩ:ELKhȽh nI`F!3iw2N:=ӷي1[$mf3]0>j-?ξڞ",D{<~EN5wZ؞ c6y z`:%#UON۔U5]"nꝘfӾ; Xֳ_,LT)!)}b=kfm^zE{FVV=eMYj=esYڊ͑:-`> =]?y=Մ1[\=z"Oq s'%3-M9R;ў孽$ۡؑ$~(iO Zcibbsv/ w?tl4c%ٞ2jwVg k)wjGz;- &,%  2d /G3eŪ`{׆g0߲g{,j yğ6l%홎yLEWzI=N:]YkC0GdxܬN~Wh&E / aF+Q{6۰Vs̾dH""!BӐ3ߩ,G#)2HX~(rF!l O6=g~Z8V+:j_ooeCoB kA+ߞy,GQg `O X,%cE3] E7Z(Ћ3g" DE M%k +ocqJx配c&"e\:S>u knY \B֤4g(Xb>نͰڸܽ1=BD)o(VQ*se|JŦ$m A;wV,%ڗ54ȀQo+93ZFseN{潲]89_EF4\wgl昭^eƸ~)@c jHUTTgٵr#`= K(YykYݲ&lkpu+kܳY3Py呕S̺].ƞ奔wQg&<+Qd 9 3St׶?6,jk/+gyj, !I#]Oi,\GspbQD 0%$]ķ]GU@kl`(#z6OI!oZ8?Rs ٳ5FXͪg `QZ,)db6bsV/ w/thdN+|bZ]dzza LK[4C&H?֣ʇ}>[ŘkejP,?-S~/# N`G)K5)Q|3k XdrW 9<_\& lX#%E+<_*5)QsjY70CQS+Nkp%HXbQmK {gjX^ceƸݮrfNj[&~Bf{E] `kwֳ,,2 so`as6.w/lԾf(JTwd |c(< ~(PIC&nqo|mXSK/t̾hM{/\r+ҐE<\[8toYrr\SZNDs:W'Ydy-+nmYrr\S94e}o=8f@i!hL6WFqmY%tr˚KڲזV(#\txw/=k\[3b˚Kڲ׿} V1}1#*?eX :HxL~5>|{s4Jv. ?zU 1Z)ՙQiM:-K|DxmX%qr_`߿ç](D5R9-{~,Z{|SKo_?Ufe(nJ)/Ӡ? =1[U1푿֨ĺHLEJaB^=߸u.mklsomM1=UK*-X$5_AYL#( Fh%\hyxCzq;6S'+e(3^D-0ԓr6e{6IޫoX^T<#JNCx vaM%9 L jX^LKI,Q=!]&@:jWNL^a+q)ֈ.Ҩ8|J !<2􆙞h.C$tLj?jEWf] R ˷#>eo1s0^Ɍd^)PSLLtE&{^,MZNyWI:@(d,P\Ͻ,;P=CV#=o8@!+L#M/V/OFN5qCte ά);ՃPl$J|ArEQ(]+q4tN0TAǮVTYs`Wb=cR DxeJ@DQ\p4&q!j2 ID;KZnO5@gl|Цg ArӚ*MF6cd Wc׊ ϓYSkH:K.0E` OdJ 7Y&%z~:Hb=6<v٩e ʚ+z޿*geK5L4R5XE`Q Ř(uN{2&^v¤l\#L@+iq;z2%%E(".4<g l9a k4 Y: ѾNP=_,2^U'e )eu0N1ߦ[R`f'$J)zaRp%F3!䶅@Yz7Ju?G20{ Ԛd`b%PL4y5 PYoD:Ds'~&Aa! CKO33P_(rڇkkpQR =兢?*jS10n(`2H)+mg-En݌ܫJ'kʠ1.4ZYfd=唐`b%'=IiZ„Ǯ~|cXXnpoD,n>Fp26td-J&25jY %Q ?6@硣rf2įvS_tˏFW朙B BԌ]mb>BglZE7̏ W:5/ x4JC3İƜU+%sU,¢HJM٘Գy]+BKHgR8g2bXiaB!_Fs(;CCs6 c:0%jB+#͸l;d˥WIms6ZBQhR`ŎPGSq3=*CGoV2WhQ̍,T7~g6PCTEWxelr o25$l7UWԐ33^[FoVERvnn-',uUTBi ͑#+S|5?^J`L[N& c}H_P"g^(sܘL5.zKw W!=_~i!]+a{І@J芽 a.$ڪ:>( ͟b8jxtbD;*k^PݏvWeXT~&׾^B[ݮX&f8 &U?kUit;*Ӥ4EH̷[=C[ 6M3pKVUȮ K9q{ ~ݑQ-K)n|\(T> qqVRʸ[h{Hl׏ѫ?Hx7ȥ`n: ЬZ9UQb^KWrk7ṑdI 2+RTSXJdTq7iPztvP8koS'cS'IGBzkn8: QwiM0zYcQ{B݆4ŨopFF2h֥&9/|(tt5iAgp eOv 5fcVXr eVmcv;v<1Bѻ:<ͺT5One.~MVA(QqlȚ4y`߻bj*)n!tUֿm+ݷuY,t{($A7=(~-ɥ@>BzFZ[Q!^ =] at=Ѐ/삤9hA4ghGS`U-(ۣiQC9&$p2ڃG]law +bw>ߠI-,_)*;/Lu5H\>|>=>1dR/g#gJ\ ;P4ԑB3x-؏p S"(榽Opw؏Z0iQSG% ;5lvkRn6?zߺUHWfy+$X]c: 4ܳ8RE5ۄiUe޾:3 DjYPĜyhR[:!k*c-yQKVc/9DpM Ԋ ٛhڛˏPTEˤ2PTo&MoX(U/"LR5c# ˯P@l KkZ[lF ߰*n%ojm"o~Ev+EoF`Q^`ǵ/py/݌E4^ cmp[3pf4yuH3~^j Ĩa E*ש IzTKaa:G]/R3 'w H>\(6XLϺ;B)zlK\(C%֐T܎c Z(@B8qƄ;YԄR(EV9a'PBa)ږR~V_P9Q}rp%{wJ|m#H8dzDNUf+5-JmI++T>[^z2,xXf..Tt3?ZJEYB{-j3>)YuUn ^_Y>6a3.)ٮQfK>PnZЍT}Uc.G?ѼJM]5*\QDŽRQ};ͥn\ uh^7oVJϯ.zLz #fσ鼑8O >4'Ixg(Ao>^XJ \o+#ōV]1 nG`I/5zgeqyۢhr`.x~ev &)M0J1zoqPK{4:<&EKqt8y{W[EIPDե|%Me~9,JFvyJ8 GK\tyEbsw˂A@F#xHѯU*1'08B ڶUMP(Ujs?UP| /ʴZ*/UB#-stIxGv"`cƁ!~!9C@!MYcm~1-#HUؠ-sn^R^H$ݾ3{P*߸D:Z\)N]8rfv2ZpqȺĬi)}8Wxd`VoKԤ2|Q90$DE&`Vl% =ϡmjJTۘ:n\95MB+F7%;zG]_iP7haJ,n: MF'gzQmfv\F(Uh5 ccfILǁ{u$v𣚌wۢ0BijDw="Q9vakگrCޅV[[dSomh@zL. ȅ=HFtxW7"Pgo>!D]paȉC!XjdXQ, [7sV(mP3 J's<=sI_MJS#zyЧQbzd%lsN`4WEOXѬ\L.0x F;DMG\hgG 6,%wa& ]۾BŻą)߄[5V ޸ބ#$?i{(/SbQ(Vf~ h9n֋nb87JzP)َmq֜P O)uAJB^gb-nde#h-34&zSZuRՈ^&v)~ThFQzfgW%RY_΄q1cs'MR[p0cu9?CqiY h]@E/=È~ڴ7ST?'cO,H*֣P C*m8¥BQ@ډ$j=2(ۅU-fێV߄t4Uzm ax$[2VSbp?H4.'Qdd'b20ݛr44zsm[ZajHg`ՅiRkv(P^Z] Qh3xº` "9ѪJMOMhnZ=X{P̕ɺ'mySFS$m;#>|y8)mJHv6ʔEہdEs[~g{6P <+Yhn}_=0\(C1!0ETP1 s/hۦp(J74Z4RLKr}"le(MCvnqM6jNU1U+~pҖzJYХ IrTSWqRd#/m7({guP܄ۺUhtD.H8AcBN1]eha =BLtbv&g'6G)s(?cuHCdA'|Oy{YtKETo ~4_^WE&@]qVEt慆Z@pZӮszuC@b^Tt:*DIqQ:P2`sMzN,w' %{#ڽ4qZ*BdSNvzC&LHWNmc~Q'_f ef1B6Qd'gJP{4gRG瘂["k؀62w!T[ڨP&Tl/X*vBQ['ZIdDRwHaBVRP2!b8 &95xPP&NuBP̂^Zَ5?ۯ7"=#UÉeKGVJ16 {_ɤK6P'[&Zǫj !(N mҕކr 7V\S(Ab(lק7ecCHlNh]SAs2( %+~y2 RGӜٓD :4g6=҄ 6bɴ'J3+|63LֈmЪ]qbGπ+5sI)0}K(lha $(ioܕ-&ށm&d-k愢017xFwL&iDsدNXC^Le2R;PJ3{뙛x/|IiW7Ď?!NqѼ'-͐љ\=*Y(=b n {&2pĄյmLH52Ɇ5b  +Ͻ=)Lhx?яOpҬǶc&g<x${"c|΀^>M*vŁgw2G"Wk묱'/=(34g'C3B 8럳|@|f= B>'siĻ-#%arׄHLRVX%2fޔ COc`TD 4n_  | GZ2JJ>ڎ(dto,|UF3>݈C T 1p`mt7T:xJxw]gk[XU}|=~lJt\ N!T>yf{p$PnX(nD5dá3I"B؎L5zlMz8lc6o6%BP,k۝xc MZd? 9"!RE"G29"LT)u48vyc7ݐ4:ܡTiȣD3ӡT!L~ 2eE渘"1&x27tA (C,z&QqَLYJ198}zhAw ŒNjQdt y"G \9ʄ0, C4vU*VuAT m/S!Oxv!QDO'SԒɩ 5;e:0iiZY$ct<2Ed0`.Ay\ք?Y&o =|ۤL\S9PѼCL8r7֊[Uu 3Y,fL~|O''t+Yf4c ս%@ÿ&sՄE˸8؅֘lkv*llg_%خ{lwB=<>aQstK~f9t5, &(&E1ک xmH z =n/>9.CQfbnw2D amSqgR~/L۴ 6 ^^̫xcز5%T/R1<&-&ӕ 4 ՅnE7@gk 7SP5dD05{6UEzf@99М'qk)XgW!CՁX`z:rl,өx$W'\Dtzi *Lԭh SϯAkKkѳ! G W*CC19?i+U 9W_{$KFP=7_-a=@, ᩗܭ0Ld6M Y?rfC0Ha٪S'q3$Oͪe,`5`}!v#-^s Aݏ;FMUs!"Wՠ7@ہ $ri,Hki,."ndz%P =ڮj+`9$$`n]V ОY nEX[dT[MC5navH9zxˍ|`5OaW?xrBpf>p;_~ZdCnGYjé+hXp{1 W("a_Mo=(ain[&xbabqv 9^g`@du~&O :UOɠ9O4#;AQr5/sB{QFŜ|]ʬ  :1Bu޾b`ɛ(95+ t+ x 8ꛅSC38jCCiutd̮ Z tlpN<@jOS|Ǒ6D@Rc1Wv°e{ |;0ϱ33Pj-`3qÂffK}m`g< yCۓ]Gc0s7/i@.3w@- (l({K#s)qS`ӵS9%[)!mv 8AS'S3`jqnm"Y ?r`0-0u0=8[~vsf#3U0jޯ׶8^egLTgJ\c/囿i`'!p+#][:+pr(c`k{Ձ9gG~i:>2RNWlA6~ [L{xenv91AvDc9Aak4Aa/P،RuFOvK0V [K[VuGxa-28lX%~(JfL30|XW/dj ^kڵYa=XJSG80z8ڥ>e&%~| ;3 I><$>x'Fv g}xb@9lTB!_,x`ONT|agZhӜZA0wyٱ3uuJq~W򭊐0|UVΠ˚)/Wg<;yE\k'(9m)ǧ-%Rhw_PH:QzmiG20L@ aPmop۩n\|p55S,Tk7dӥ*?>L\mG_˽/pZg7 a t}F=|jUWPu*{sVhko9 mJV7/fAoG*2Qv V.̍^(u5D;=MFz;8`~\x}q.u\fv;6u'}/Xn7_k)RP(7SVnk|Y j{c |v0[yt;/ -t{@Di1ü+TkifF8Bhֈ^ o x;\H+у \~v0v ٷ&TCd tg7 [EPEh 9[+Nq]n~w]ifv}Xaem9%o@U}9Ru).THO}jۡ_rb4pA>(sI3[](ß TɢKkPl} Hn'Q9.L~OlεapIe+jp]Y:$u0D.L˩^Ts(z_0]iqBʖ:q]%&LH-ßEDQOu,Z'\ՅǍVy@BxҤU#wRVvu(l;yk@6#@ђ~!@Vm#`E+Vŵb_b~W܎wT:]zG ^tp;{|er5;ddLszV}Jz0T՜5^V*~kroNS(ww,<,5|@\Ƽr;]Ћ*DyZҰh7)`447ML8˘ȹVܲR:-zz%QhR-cmsdC(z][DYArXko 3j03-k),NS~/PgK'Op[ X>$.j[gH [l€JN]nE`L(x[xRߔƍT֓khÙbSFWuBxl}J|T`$uhɍ [˩XArk4}  w+VyTӹR[r֧O2*%էJЏ$r0jU2^nvRg{Q`u*YK( 4 ,uՠTr;RSXAvIAhB׼d3NټWQ(K5X]SyNHh!sW Ta\sYLf\laE)33yQW*qlG(>! D/2RspLyiBk*.a hQUP4ZQ`dQhz'!qBuܨq+V^j PۗfjgQIN_BҁEw u)z^߯e InP#a9H5vC25{*R8U UʬC@/r`B*/ Q۟!dVbNӚbN-LQ JЋ*yQ NJuYT#(Fq,R?h9d+%\)ldP]۳RR=8OY~]{~.!+Z,xMѺ˽E'+R$xYe-ڑ)NVzDG֢xYvdmxe-hG֦8Y^֢xYvdmt/kR.Yd-%u~-Iyڔf|mJsbREssbQrON7'&Z47'JD(^֢9(^IdM%kҜEq2DQqkREskQBEq8.Ukϙ/kܞ(Nֿ} x߿ojY?aYD@Ky5]Mpb1]cX]4 |QimM6_4ĕo?Y@~}ݴAg϶fYzB|#kQ,e<גd-Lڲ:\ה:!9]E<\gC }r&带,ǵdklYͧ8=RNkI\[hXyN֤\6זw"Vt#kQﴹ,ϵeMF,kDŽH%daIï/%DBVE_7Qn-ݥ]Wn S w 5_z2<˒]ƼqXѿzַyrLKp/T$]8Ĭ_~*!VHy˰'?/5 ۈ[j0rr÷Fr`endstream endobj 6 0 obj 18863 endobj 4 0 obj <> /Contents 5 0 R >> endobj 3 0 obj << /Type /Pages /Kids [ 4 0 R ] /Count 1 >> endobj 1 0 obj <> endobj 7 0 obj <>endobj 14 0 obj <> endobj 15 0 obj <> endobj 8 0 obj <> endobj 10 0 obj <> endobj 19 0 obj <> endobj 12 0 obj <> endobj 9 0 obj <> endobj 16 0 obj <>stream xmUyXg1dfUYhV[^xP@*R "H!$98 G@A*VՊu+]ڭ[K;yf}.pB$P5CTȄE͚ _8LCNP?{gutB@ڒ~*}$!a .\?|||dQS5KK<^V|e~<:>^G@E+;1lGd,\l"XH,"+ oτ A•I8S 'BD 1<>606eǔ~^3ÈgBZX(Sk,}={L&'G#=i-?q.ŸdѰ.kF~n?x=E_)mɓx6bp#%2ѫ<~m5v)KoD@xjתw&W"f츻 fꄲ1q-aUT8&9QSobSIΡ|3e!6Tz3KLQt!U6/d 죚>&7 AW9Jx3%.+(Q^wldp,,/c?&9`vhl)a,UKȏWqMV a qU?w"UB?O]d]<~60{ƔD}vQ4=&%9I٩!>>&]؊rTZ+~ ݉"2ش nX=B)6V I7&UAJG6` OI n ֔*vjZg1v<'1Ff7~Ne Ah8~q--08aekqF (ph(VQ"dÝ Q"m{)TnRzz*@E*:4]^BlH|n!QGea6ay`¥IT 6P@KaEUs-&ti7?a qa ,}F.mJ Wt}䏬 g9uHR3TxF%m~qfC!l 2# LZJAy 6 㹜.]QCUI!{sj prWXM=f R9#653vR5ࡒǒ]JFN rr 8 |לMN)ї@[ׯٟZҠ5& &Ao'|бދ믠a4=~1lH#Z?9#O<\}=`톝X)gVtwD\\G L;H c:"$t? X(|LJ7eրۿjֲvĈϘe#|fuݪC[O_Nv谋x8Rtywm&WmbIyT>f`iRQ\ӾbeAۘ-woYsˏ H/bΡ~fƭ!!riNByAFL|#̂Ceօ?Y - a* t^Fa/,E \;fg4цĬ)Jy~Ky;",-ۋ?P?|>+|{5*-MswlOWEOl;nL|x,yuhcVoU*cy"+}7pNX&Au@3)(r6 ndwn"| "Sc1=ilÎ=lԋjOu7Lc ]yXX!Bl7F)Us|PgyC+EEJjS_s8JJe" _M.L+GV45#Q٬8:ĐlYON V K-SRs$qm|q%k;K8XhfN&p3 =ob+{5ɼ|*mdB_r$ZK-IELNەȃΦ1MIhߠ0G{.q1RZfunw vGbsW*UMOἏ5Vg辿vE4E.8 _ؗ0cM;haP+2s-NNꜦĿ^ endstream endobj 11 0 obj <> endobj 17 0 obj <>stream xkAw6CmZʻ-HoJŨa;Llg&Xh/)E*(VcŢ*Dm/"x{ dC.Na4m|&h-={L%n3Fo ֤ښoUNuOvw;+朹a= ˈAf^TZ¡̃#dC(ӱ(Gcc.B<ĂbaWpx\H\[Dp^M B@8r%A2 Ev J8zF+T ),N< ?qѣL#Y e`δ`ID\d`Q\]BV7ESzVFGu/g)0u" \[Wl-?Fa0ol^*wTZg^oW_{kUZWzlxPu_T9RV?>,[p<4*>r8<.4~>p5&~)? Uջ]Lz51liTW^?X-.>U_h uTjj5tU endstream endobj 13 0 obj <> endobj 18 0 obj <>stream xUS PSWא[ Pʌu<$RgAQb$!vevWڕAiK"PyT,t$IcY3fff;;s$l6$In)UJmBnXݶCXc9g)o'b?{ M6A=n&x$YZ_V'ŧxxzzo/88Xzi0'K#+UyjF_eT9 i,?P*TfZ˒*e@*'??X!斠C9EP+WfIvxAa"N{xzH T"C dD D"H™xHv!$DV$"BqR@ v:y66663|7mЁl,> d5*yăCӛC~ lC=p4KѱּoJW_릘OV/ 8t9+` 8X_/ azh&ޗ.sN~oDJz9=&I:_"25Ek?/m0 0uS)s뿅?tevߒF<Ň\UwќAVPc#tX`xד=f7Fa/#ǞoN0^/{,.#e.,=p؀šފ)hCqA{ﭘp~ȇ<]XcCǼbz 4A `BMODq6,1H077p@ \;3$1X((BJ@aUPEYiy d=y%f5/n[9U+{R>!?$|@Yylm ]hohi:'LJ%:%I2dg-lt-a?.^Dl endstream endobj 20 0 obj <>stream 2016-04-18T09:55:48+01:00 2016-04-18T09:55:48+01:00 Grace-5.1.22 ks1947_ew-xrays.agrpablo endstream endobj 2 0 obj <>endobj xref 0 21 0000000000 65535 f 0000019179 00000 n 0000027605 00000 n 0000019120 00000 n 0000018969 00000 n 0000000015 00000 n 0000018948 00000 n 0000019244 00000 n 0000019367 00000 n 0000020287 00000 n 0000019679 00000 n 0000023048 00000 n 0000019912 00000 n 0000023916 00000 n 0000019285 00000 n 0000019315 00000 n 0000020610 00000 n 0000023261 00000 n 0000024228 00000 n 0000019825 00000 n 0000026113 00000 n trailer << /Size 21 /Root 1 0 R /Info 2 0 R /ID [<2DE8282C8568120CEF04244B8E58DF9E><2DE8282C8568120CEF04244B8E58DF9E>] >> startxref 27794 %%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.