1. Mekelle University, College of Health Sciences, School of Public Health, Mek’ele, Ethiopia
2. Oregon Health and Science University, Portland, OR, USA
3. Mekelle University, College of Health Sciences, School of Medicine, Mek’ele, Ethiopia
4. Mekelle University, Ayder Comprehensive Specialized Hospital, Mek’ele, Ethiopia
5. McGill University, Desautels Faculty of Management, Montreal, Canada