About the Authors

Akilew Awoke Adane

akilew24@gmail.com

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

Kefyalew Addis Alene

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

Digsu Negese Koye

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

Berihun Megabiaw Zeleke

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

Conceived and designed the experiments: AAA. Performed the experiments: AAA DNK BMZ. Analyzed the data: AAA KAA. Wrote the paper: AAA KAA DNK BMZ. Approved the proposal with some revisions: DNK KAA BMZ.