Received: 12 March 2020
Accepted: 29 June 2020
First Online: 9 July 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Kilimanjaro Christian Medical University College Research Ethics and Review Committee (KCMU-CRERC). Written informed consent was sought from all study participants before the interviews. Confidentiality and privacy were maintained by using unique identification numbers instead of names.
: Not applicable.
: The authors declare that they have no competing interests.