1. Mekelle University, College of Health Science, Pediatric, and Child Health
2. College of Health Science, Mekelle University
3. Mekelle University, College of Health Science, Clinical pharmacist
4. Department of Pediatrics and Child Health, School of Medicine, College of Health Sciences, Mekelle University
5. Department of Orthopedics, School of Medicine, College of Health Sciences, Mekelle University, Tigray, Mekelle, Ethiopia