Received: 23 October 2019
Accepted: 12 June 2020
First Online: 22 June 2020
Ethics approval and consent to participate
: This study was approved by the Ethical Review Board of AMREF Foundation based in Nairobi, Kenya (reference number: P482/2018). The respondents went through an informed consent process and their participation was voluntary and anonymous. Written consent was provided before participation.
: Not required.
: The authors declare that they have no competing interest.