googletag.impl.pubads.setPassbackAdContents({"/149443272/21741235687":{"_type_":"html","_expandable_":true,"_afc_expandable_":false,"_html_":"\u003cscript\u003evar viewReq = new Array();function vu(u) {var i=new Image();i.src=u.replace(\"\u0026amp;\",\"\u0026\");viewReq.push(i);}\u003c/script\u003e\u003cscript\u003evu(\"https://securepubads.g.doubleclick.net/pcs/view?xai\\x3dAKAOjstiPWu64f9bamp5BWzjgEwa_c2qIN9tOnArP9RX1CbhPglXXdgwze6F_m7tJrUVMjp6g7jOOTwTJuxL38yH2zaJ9dL2OyORENeD-UdIbghYTXFEY449eD4wAizuoYAZOP45Bh_W8f_-Zke7QCVvHVqY7HKAlqPhxYGqeF8XOBb9TQbb7ys4Mf6x1Fr43yQzW7z6pNsOlrOjKKDLzMB3IZJqppEPPxZ2S_QcPHVySFJa2ZYY_sDsKovz1T77\\x26sai\\x3dAMfl-YTeXZcAfdHb8-FAaqxKby0PlrGsO6bpg47kMOUUwz2YsI9J2M8SZdCbzjmcr1uWdKwD6QDuqksVTJFdNGVbelbWDeFttAQzjIdUD_83rWt5dR3JzPmTh2SI_dE\\x26sig\\x3dCg0ArKJSzKiaxZo3fJ3PEAE\\x26urlfix\\x3d1\\x26adurl\\x3d\")\u003c/script\u003e\u003cscript src=\"//www.googletagservices.com/tag/js/gpt.js\"\u003e\n(function() {\nvar pbl = googletag.pubads().definePassback('/75507958/PONE_728x90_ATF', [728, 90]);\nif (\"null\".length \u003e 0 \u0026\u0026 \"null\" != \"null\") {\npbl.updateTargetingFromMap(JSON.parse(decodeURIComponent('null')));\n}\npbl.setTargeting(\"pgid\", \"pubgrade_disabled\");\npbl.display();\n})();\n\u003c/script\u003e\n\u003cimg src=\"//delivery.pbgrd.com/network/logger.php?cb=1920500115\u0026pgpid=10.1371%2Fjournal.pone.0203029\u0026pgiid=15372041411115341958649229101371journalpone0203029\u0026pgpro=57\u0026pgpub=57\u0026pgzid=229\u0026pgscrh=768\u0026pgscrw=1024\u0026pgjour=PLOS ONE\u0026exc=1\" /\u003e\n\u003cscript src=\"https://tpc.googlesyndication.com/pagead/js/r20180910/r20110914/activeview/osd_listener.js\"\u003e\u003c/script\u003e\u003cscript type=\"text/javascript\"\u003eosdlfm(-1,'','B1FvTrd-fW4KZD4_dhQbqjoIoAAAAABABOAHIAQnAAgLgAgDgBAGgBhbSCAUIgGEQAQ','',1146722353,true,'ud\\x3d1\\x26la\\x3d0\\x26alp\\x3dxai\\x26alh\\x3d3724306893\\x26',3,'CAASEuRoSCUEXRRQ32jJ9SFMrWdHdA','https://pagead2.googlesyndication.com/pcs/activeview?xai\\x3dAKAOjstq9InQYi6UIaCxbbLKIEdhHey4JgojBnDqMq2yUw0UbKLhht-F0cx0-otGeUcaWhLURwCi4sav5pzQDp0ufvLfjutfH8iGFmw\\x26sig\\x3dCg0ArKJSzLtrGuFQsyUiEAE','');\u003c/script\u003e\u003cscript\u003eif (window.top \u0026\u0026 window.top.postMessage) {window.top.postMessage('{\"googMsgType\":\"adpnt\"}','*');}\u003c/script\u003e","_snippet_":true,"_height_":90,"_width_":728,"_empty_":false,"_is_afc_":false,"_use_sandbox_":true,"_creative_ids_":[138242973235],"_adgroup2_ids_":[4784285200],"_advertiser_ids_":[43483592],"_campaign_ids_":[246986912],"_is_psa_":false,"_is_3pas_":true,"_pvtoken_":"CiEIkMyp6RHoAbO8sf-CBIACiKHkRoACgKLkRoACp9fG_lA","_qqid_":"CMKjpdbDwt0CFY9uwQodaocABQ","_pvtoken_lifetime_":-1}});