Article History
Received: 10 September 2020
Accepted: 15 February 2021
First Online: 23 February 2021
Ethics approval and consent to participate
: This study was approved by the Faculty of Health Sciences Research Ethics Committee of the University of Pretoria in South Africa (<b>Ethics Reference No: 27/2018</b>) and the Institutional Research and Ethics Committee of Moi University/Moi Teaching and Referral Hospital in Kenya (<b>Formal Approval No: IREC 2099</b>). In addition, the National Commission for Science, Technology and Innovation provided research authorisation to undertake the research in Kenya (<b>Reference No: NACOSTI/P/18/62894/21393</b>). Permission to conduct the study was granted by the Ministry of Health in Kenya, relevant county health authorities and written informed consent was obtained from all study participants.
: Not applicable.
: The authors declare that they have no competing interests.