Received: 25 July 2019
Accepted: 19 September 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: This study was carried out after getting ethical clearance from Debre Berhan University research ethics review committee. Data collection was carried out after receiving ethical clearance letter from the zonal health bureau and administration office. Written informed consent was obtained from each study participant prior to data collection.
: Not applicable.
: The authors declare that they have no competing interests.