Received: 31 July 2019
Accepted: 3 December 2019
First Online: 9 December 2019
Ethics approval and consent to participate
: Ethical clearance obtained from the Bahir Dar University College of Medicine and Health Science Institutional Review Board and Permission letter was received from the study hospitals before preceding data collection. The study participants were informed about the purpose of the study and their right to participate or to withdraw the study at any time they want. A signed written consent was obtained from each study participant. The confidentiality of the information obtained was assured by coding and locking the data in a secure place.
: Not applicable.
: The authors declare that there are no competing interests.