About the Authors

Yohannes Adama Melaku

adamayohannes@gmail.com

Affiliation Mekelle University, College of Health Sciences, Department of Public Health, Mekelle, Ethiopia

Ejigu Gebeye Zeleke

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YAM EGZ. Analyzed the data: YAM. Wrote the paper: YAM.