1. Department of Pediatrics and Child Health, College of Medicine and Health Science Wolkite University Wolkite Ethiopia
2. Department of Pediatrics and Child Health St. Paul's Hospital Millennium Medical College Addis Ababa Ethiopia
3. Department of Public Health St. Paul's Hospital Millennium Medical College Addis Ababa Ethiopia
4. Department of Obstetrics and Gynecology, College of Medicine and Health Science Wolkite University Wolkite Ethiopia
5. Department of Surgery, College of Medicine and Health Science Wolkite University Wolkite Ethiopia
6. Department of Anesthesia, College of Medicine and Health Science Wolkite University Wolkite Ethiopia