Received: 20 May 2020
Accepted: 30 October 2020
First Online: 10 November 2020
Ethics approval and consent to participate
: The present study was approved by Institution Review Board at the College of Medicine and Health Sciences, University of Rwanda (approval No 313/CMHS IRB/2018). All participants provided written informed consent prior to enrollment.
: Not applicable.
: The authors declare that they have no competing interests.