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The study in 2014 was also approved by the Comit\u00e9 de Protection des Personnes Ile de France XI (Ref: CPP 14027). The studies in 2021 and 2023 were also approved by the MSF Ethics Review Board (Ref: 2120 and 2329). Prior to study participation, written consent was obtained from the child\u2019s parent\/guardian. In addition, verbal assent was obtained from children 8 to 14\u00a0years old.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"85"}}