1. Department of Public Health, College of Medicine and Health Sciences Wachemo University Hossana Ethiopia
2. Department of Nutrition, School of Public Health, College of Health Sciences Mekelle University Mekelle Ethiopia
3. Department of Biostatistics, School of Public Health, College of Health Sciences Mekelle University Mekelle Ethiopia
4. Department of Public Health, College of Medicine and Health Sciences Adigrat University Adigrat Ethiopia
5. School of Health Sciences University of Brighton Brighton UK
6. Saesie Tsaeda Emba District Health Office Tigray Regional Health Bureau Mekelle Ethiopia