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