1. Department of Clinical Pharmacy, School of Pharmacy, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
2. Pharmacognosy Unit, School of Pharmacy, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
3. Clinical Pharmacy Unit, Department of Pharmacy, College of Medicine and Health Sciences, Debre Markos University, Debre Markos, Ethiopia