About the Authors

Bisratemariam Gebreamlak

Affiliation Teklaymanot General Hospital, Addis Ababa, Ethiopia

Abel Fekadu Dadi

Fekten@yahoo.com

Affiliation Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia

Azeb Atnafu

Affiliation Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: AFD BG AA. Data curation: AFD BG. Formal analysis: AFD BG. Funding acquisition: BG. Investigation: AFD BG AA. Methodology: AFD BG AA. Project administration: AFD BG. Resources: BG. Software: AFD BG. Supervision: AFD AA. Validation: AFD BG AA. Visualization: AFD BG AA. Writing – original draft: BG. Writing – review & editing: AFD BG.