Received: 10 September 2019
Accepted: 10 March 2020
First Online: 30 March 2020
Ethics approval and consent to participate
: Ethical clearance was obtained from the Debre Berhan University ethical review board (IRB). Permission letter to each study health institution was written and permission letter was taken.Written informed consent was taken from each study participant.
: The manuscript did not contain individuals’ person detailed data in any form.
: The authors declare that they have no competing interests.