About the Authors

Molla Taye

mollataye2@gmail.com

Affiliation Department of Anatomy, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Mekbeb Afework

Affiliation Department of Anatomy, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Wondwossen Fantaye

Affiliation School of Dentistry, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Ermias Diro

Affiliation Internal medicine, School of Medicine, College of Medicine and Health Sciences, the University of Gondar, Gondar, Ethiopia

Alemayehu Worku

Affiliation School of Public Health, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia

Competing Interests

The authors, Dr. Mekbeb Afework, Professor Alemayehu Worku and Dr. Wondwossen Fantaye receive salary from Addis Ababa University. Dr. Ermias Diro and Mr. Molla Taye receive salary from the University of Gondar. The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: MT. Data curation: MT. Formal analysis: MT MA AW ED. Funding acquisition: MT. Investigation: MT MA AW WF ED. Methodology: MT MA AW WF ED. Project administration: MT. Supervision: MT MA AW WF ED. Validation: MT MA AW WF ED. Visualization: MT. Writing – original draft: MT. Writing – review & editing: MT MA AW WF ED.