1. Department of Public Health, College of Medicine and Health Sciences, Injibara University, Injibara, Ethiopia
2. Department of Medical Laboratory Sciences, College of Medicine and Health Sciences, Injibara University, Injibara, Ethiopia
3. Department of Environmental health, College of medicine and Health Sciences, Injibara University, Injibara, Ethiopia
4. Department of Anesthesia, College of medicine and Health Sciences, Injibara University,Injibara, Ethiopia
5. Department of Pediatrics and Child Health Nursing, College of Medicine and Health Sciences, Injibara University, Injibara, Ethiopia
6. Department of Nursing, College of Medicine and Health Sciences, Injibara University, Injibara, Ethiopia