Funding for this research was provided by:
Vetenskapsrådet ([Grant number: 2016-0577], 2015-03287)
Swedish International Development Agency ([Bilateral Sida grant: Bil-Tz 16/9875007059])
Received: 23 January 2020
Accepted: 12 June 2020
First Online: 23 June 2020
Ethics approval and consent to participate
: The study was conducted in accordance with the Declaration of Helsinki on Good Clinical Practice and received ethical clearance from the National Institute for Medical Research (NIMR/HQ/R.8a/Vol.IX/2477) and Muhimbili University of Health and Allied Sciences, Tanzania, (MU/DRP/ERP/Vol.IX/174) and the Regional Ethical Review Board, Stockholm, Sweden. Written informed consent and ascent was provided by all study participants, in case of children under 7 years, a proxy consent from a parent/legal guardian was obtained. The study is registered at clinicaltrials.gov (identifier: NCT03241901).
: Not applicable.
: The authors declare that they have no competing interests.