About the Authors

Sibhatu Biadgilign

sibhatu2005@yahoo.com

Affiliation Department of Epidemiology and Biostatistics, College of Public Health and Medical Science, Jimma University, Jimma, Ethiopia

Amare Deribew

Affiliation Department of Epidemiology and Biostatistics, College of Public Health and Medical Science, Jimma University, Jimma, Ethiopia

Alemayehu Amberbir

Affiliation Addis Ababa University, Addis Ababa, Ethiopia

Horacio Ruiseñor Escudero

Affiliation Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America

Kebede Deribe

Affiliation Department of General Public Health, College of Public Health and Medical Science, Jimma University, Jimma, Ethiopia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SB AD AA KD. Performed the experiments: SB AD AA KD. Analyzed the data: SB AD AA KD HRE. Contributed reagents/materials/analysis tools: SB AD AA KD HRE. Wrote the manuscript: SB AD AA KD HRE.