About the Authors

Tesfay Gebregzabher Gebrehiwot

tesfig@yahoo.com

Affiliations Department of Public Health, College of Health Sciences, Mekelle University, Mekelle, Ethiopia, Department of Public Health and Clinical Medicine, Epidemiology and Global Health, Umeå University, Umeå, Sweden

Miguel San Sebastian

Affiliation Department of Public Health and Clinical Medicine, Epidemiology and Global Health, Umeå University, Umeå, Sweden

Kerstin Edin

Affiliations Department of Public Health and Clinical Medicine, Epidemiology and Global Health, Umeå University, Umeå, Sweden, Department of Nursing, Umeå University, Umeå, Sweden

Isabel Goicolea

Affiliation Department of Public Health and Clinical Medicine, Epidemiology and Global Health, Umeå University, Umeå, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TGG MSS IG. Performed the experiments: TGG MSS KE IG. Analyzed the data: TGG MSS IG. Contributed reagents/materials/analysis tools: MSS IG KE. Wrote the paper: TGG MSS KE IG. Contributed to the frequent revision of the manuscript throughout the whole period: TGG MSS KE IG.