Funding for this research was provided by:
Wageningen University, The Netherlands through its Interdisciplinary Research and Education Fund (2100710612)
Received: 31 January 2019
Accepted: 5 August 2019
First Online: 8 August 2019
Ethics approval and consent to participate
: The ethical approval was guaranteed to the study (Approval Notice: No 405/CMHS/IRB/2016) by the Institutional Review Board of the College of Medicine and Health Sciences, University of Rwanda.
: Participants agreed on the publication of findings reported in this manuscript.
: The authors declare that they have no competing interests.