About the Authors
- Teferi Abegaz
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* E-mail: teferiabegaz@gmail.com
Affiliation School of Public and Environmental Health, College of Medicine and Health Sciences, Hawassa University, Hawassa, 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, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
- Abebe Assrat
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Affiliation Ministry of Transport, Addis Ababa, Ethiopia
- Abebayehu Assefa
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Affiliation World Health Organization (WHO) Ethiopia, Addis Ababa, Ethiopia
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: TA YB AW A. Assrat A. Assefa. Performed the experiments: TA. Analyzed the data: TA. Wrote the paper: TA YB AW A. Assrat A. Assefa. Assisting the experiments: YB AW. Principal investigator: TA.