1. School of Nursing and Midwifery, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
2. School of Public Health, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
3. School of Medicine, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
4. School of Pharmacy, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia