Funding for this research was provided by:
European and Developing Countries Clinical Trials Partnership (TMA972)
Received: 20 May 2020
Accepted: 29 August 2020
First Online: 10 September 2020
Ethics approval and consent to participate
: The study was approved by the Kilimanjaro Christian Medical College Research Ethics and Review Committee (CRERC) and the National Health Research Ethics Sub-Committee (NathRec) of Tanzania. Written informed consent was requested from study participants before enrolment.
: The authors declare that they have no competing interests. All authors have read and approved the final manuscript.