About the Authors
- Solomon Mekonnen Abebe
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* E-mail: solomekonnen@yahoo.com
Affiliation The University of Gondar, College of Medicine and Health Sciences, Gondar, Ethiopia
- Yemane Berhane
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Affiliation Addis Continental Institute of Public Health, Addis Ababa, Ethiopia
- Alemayehu Worku
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Affiliation School of Public Health, Addis Ababa University, Addis Ababa, Ethiopia
- Shitay Alemu
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Affiliation Gondar, Ethiopia
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Analyzed the data: S. Abebe YB AW. Wrote the paper: S. Abebe YB AW S. Alemu.