About the Authors

Tsegab Paulose Helelo

babytsegab@yahoo.com

Affiliation Zonal Health Department, Southern Nations Nationalities and People's Health Bureau, Durame, Ethiopia

Yalemzewod Assefa Gelaw

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

Akilew Awoke Adane

Affiliation Department of Epidemiology and Biostatistics, 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: TPH. Performed the experiments: TPH. Analyzed the data: TPH AAA YAG. Wrote the paper: TPH AAA YAG. Proposal writing: TPH.