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\\x3dAKAOjsurMq34zFNqggz61rOlN8EXaiZmAPRS7L4Oa4UMuZpEc-iRaJpkNb2pxS1QnAKOEfugEJnLY2v2KbWmrwdvIDOjxRaLe-zqwBglPliFGOMGvhornoVdmXc3fSOX_0xiRCpRWJ1Qrf3zTaUWEvUNI-sJ8LTv04Jw87ZG32DgbGg3p-RUrCMaX4Fw97nkD0_HlPxUWlMaltI4cRHes09Wtmc-7qXLzrr-PdD3jHOda69nSaK5PZR92kqopO3H\\x26sai\\x3dAMfl-YQJwXABOyTL5D__K1u3pOBPt556ugj2L1VBx068RYAjhRw6bVqKYXqRtbiPI-TzocPcegXOD4fJx__BeuDAQqoVCRod78uvSzdqUnr5Tf9-eZ6ePvELa37cL5o\\x26sig\\x3dCg0ArKJSzLKloQeSu-3SEAE\\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=1746305513\u0026pgpid=10.1371%2Fjournal.pone.0203029\u0026pgiid=153720320796291063932745229101371journalpone0203029\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,'','B71r6CNyfW478Bsj_hQa566foBgAAAAAQATgByAEJwAIC4AIA4AQBoAYW0ggFCIBhEAE','',1146722353,true,'ud\\x3d1\\x26la\\x3d0\\x26alp\\x3dxai\\x26alh\\x3d4198378049\\x26',3,'CAASEuRo8vQYUmzlcf5Wq7m0SJedwg','https://pagead2.googlesyndication.com/pcs/activeview?xai\\x3dAKAOjsvcQEPl0iAPFtbD2nNWo0Yj4t7xlr_Na19J1zwD8jhsvPNPjciNAzhfB5NZJLMY30NjkE5aMGzuGqavY1pp7_Txa-5dD7a7DeU\\x26sig\\x3dCg0ArKJSzOquzur4meaoEAE','');\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_":"CI6gq5nAwt0CFch_wQodufUJbQ","_pvtoken_lifetime_":-1}});