Received: 25 July 2019
Accepted: 18 June 2020
First Online: 2 July 2020
Ethics approval and consent to participate
: Ethics approval was obtained from the Institutional Review Board located in SNNPR Health Bureau (Ethiopia) and the Human Research Ethics Committee (HREC) at the University of Melbourne (Australia). Permission letter to conduct this study was also granted from the Federal Ministry of Health and SNNPR Health Bureau. Information about the study was delivered to all study participants and written consent was obtained.
: Not applicable.
: The authors declare that they have no competing interests.