About the Authors
- Nega Assefa
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* E-mail: negaassefa@yahoo.com
Affiliation College of Health Science, Haramaya University, Harar, Ethiopia
- Yemane Berhane
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Affiliation Addis Continental Institute of Public Health, Addis Ababa, Ethiopia
- Alemayehu Worku
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Affiliations Addis Continental Institute of Public Health, Addis Ababa, Ethiopia, School of Public Health, Addis Ababa University, Addis Ababa, Ethiopia
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: NA YB AW. Performed the experiments: NA YB AW. Analyzed the data: NA YB AW. Contributed reagents/materials/analysis tools: NA YB AW. Wrote the paper: NA YB AW.