Methods The study protocol was reviewed and approved by the following ethical review boards: i) the Usman Danfodiyo University Teaching Hospital Health Research and Ethics Committee (UDUTH/HREC/2022/1152/V2), ii) the Sokoto State Ministry of Health Research Ethics Committee (SKHREC/042/2022), iii) the National Health Research and Ethics Committee in Nigeria (NHREC/01/01/2007-02/12/2022), iv) The Liverpool School of Tropical Medicine Ethical Review Board (22–045) and iv) the MSF Ethical Review...