1. Department of Pharmaceutics, School of Pharmacy, Haramaya University, Harar, Ethiopia
2. Department of Clinical Pharmacy, School of Pharmacy, Haramaya University, Harar, Ethiopia
3. Department of Epidemiology and Biostatistics, School of Public Health, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
4. Department of Emergency and Critical Care Medicine, School of Pharmacy, Haramaya University, Harar, Ethiopia