PNG
IHDR E α pHYs .# .#x?v iTXtXML:com.adobe.xmp fig1-log 8 8 8 &7 IDATxw|Eݽ^RH!*XQ|}cEQFQDDD((Hx.!H<>ٙٽݙJ180ƞ &
,k>Yi8f͚5|p磏>KtN;% * Ç_l٠Ao]v9hР͛/Xvgu09r~|}=6 * j?OQm -[e.SNϏ>?<םAAAؤIVXKjQmpNZ_?^y[>AASΎ栰p ǎQY4hP͚5J%z?^3\r s~itMAAAT7l СCݻf3aÆAAĹ,hv%CK.db'|k E?NM7d2yCU3##O?
< ˙jTU>}AR?lذ3lȲ' :$iT.rss?Skӭ[K/T,5k֪U*h8AAg3۷/KW~eِBkԨ!{)AAA-c11 sIOOKzUxnwnDkP(4|4EA%Zd{ŒVZ5k֬-f c[qVrmvüdΝfzK?
QUU_~Nm2222nݚ-˲(:tYd?;;|{o&M<*
욃P(dp8PO>V4oذ_~Yvmnn닊oSRRڷooۻw~UWRp8ڷo?oAAAVd`ѢEbI.]ׯZH_XX3̞=رc
?k={,Aݿ+Vg~GKi]GAQ({YfAnݺUV-ѣG%
l߾}@˖-W.+WX #(=HNNܹs
7>PEc֭Fz@ o1b֬Y%7(IRǎ
:ߧ50 JB5k5{RRRJ85lPO?^AAAÁȺu9"tc:{ԨQ}i*:t?~4h`R@AQ9)`˖-M솹p3gFWZK.iܸqƍ֭[J:p?,>}l6СCǏ/ J
]6%III
48vvލm6[͚5qCZNæ|gvYBUV55bF 8)`ժU!(5k,ɓ'{^C-Zk;vرcƍ|M[/9QÆ
eZAAq>GKa0%%vZjk+W
_Y6n_\BjղX,bI8^l!AAAy$IvΎIЬYIJ5x%|kժ%cǎ;wn6m7;v(5mNo߾5k֔mxAAHY4@ :PzJ8J^z5mڴaÆ\r X,g}6+h
k(x<%k
8p ||8^M6=Ȉ|g;tUV^~常8CV\YB2 b1ᘬhCkCݻwvviKVRUV1+-[*i/d=z.\.W
^oBBB'EAAQ Ç%$W^]w]q^q};w|y#G6YCWr</amAAHY4ǎn۫Um۶^bU!4o|baQQQ^^^5J ٳ@,1LeL>}*\y?h ˗//,,LNNyTjjjڵm&䨪j2eMAQQer\C