Ethics approval and consent to participate
The study was approved by the Makerere University School of Biomedical Sciences Higher Degrees Research and Ethics Committee (SBS-HDREC) and the Uganda National Council for Science and Technology (UNCST) ethics bodies. All study team members were annually trained in Good Clinical Practices (GCP) compliance to assure following guidelines for participant privacy and informed consent. All participants interviewed gave their informed consent or assent (for those above 8 years of age) to participate in this survey and for the information derived to be published. The datasets used in this analysis are de-identified.