About the Authors

Eskindir Loha

eskindir_loha@yahoo.com

Affiliations School of Public and Environmental Health, Hawassa University, Hawassa, Ethiopia, Centre for International Health, University of Bergen, Bergen, Norway

Torleif Markussen Lunde

Affiliations Centre for International Health, University of Bergen, Bergen, Norway, Geophysical Institute, University of Bergen, Bergen, Norway

Bernt Lindtjørn

Affiliation Centre for International Health, University of Bergen, Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EL BL. Performed the experiments: EL. Analyzed the data: EL TML. Contributed reagents/materials/analysis tools: EL TML BL. Wrote the paper: EL BL.