1. Braun School of Public Health and Community Medicine, Hadassah-Hebrew University, Jerusalem, Israel
2. Department of Internal Medicine, Nephrology Unit, College of Health Science, Ayder Comprehensive Specialized Hospital, Mekelle University, Mekelle, Tigray, Ethiopia
3. College of Health Science, Ayder Comprehensive Specialized Hospital, Mekelle University, Mekelle, Tigray, Ethiopia
4. College of Health Sciences, School of Public Health, Mekelle University, Mekelle, Tigray, Ethiopia
5. Department of Global Health and Development, London School of Hygiene and Tropical Medicine, London, UK