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Fellows contributed equally to the work presented here. Jennifer Keiser is grateful to the Bill and Melinda Gates Foundation (OPP1153928) and the Swiss National Science Foundation (320030_175585 1) for financial support.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Funding"}},{"value":"The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflicts of Interest\/Competing interests"}},{"value":"Ethics approval was obtained from the independent ethics committees in C\u00f4te d\u2019Ivoire (reference numbers 088\u201318\/MSHP\/ CNESVS-km and ECCI00918), Laos (reference number 093\/NECHR), Tanzania (Zanzibar, reference number ZAMREC\/0003\/Feb\/2018), and Switzerland (reference number BASEC Nr Req-2018-00494).","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics Approval"}},{"value":"All participants gave written informed consent to participate in the study.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to Participate"}},{"value":"Not applicable.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for Publication"}},{"value":"Data will be made available on reasonable request.","order":7,"name":"Ethics","group":{"name":"EthicsHeading","label":"Availability of Data and Material"}},{"value":"Not applicable.","order":8,"name":"Ethics","group":{"name":"EthicsHeading","label":"Code Availability"}},{"value":"Acquisition: VS, JC, DH. Analysis and interpretation of the data: VPFL, JN, BS, DB, GP, SM, MC, JK. Drafting of manuscript: VPFL JN, BS, DB. Critical revision of the manuscript: VS, DH, MB, GP, SM, JC, MP, JK.","order":9,"name":"Ethics","group":{"name":"EthicsHeading","label":"Authors\u2019 Contributions"}}]}}