1. Afar Regional Health Bureau, Afar National and Regional, PO Box: 28, Semera, Ethiopia
2. School of Public Health, College of Health Sciences, Mekelle University, Ethiopia
3. Department of Public Health, College of Medicine and Health Science, Samara University, PO Box: 132, Samara, Ethiopia
4. Translational Health Research Institute, Western Sydney University, Campbelltown Campus, NSW, Australia