Author’s information
1, Department of Pharmacology and Clinical Pharmacy, School of Pharmacy,
Addis Ababa University, Addis Ababa, Ethiopia.
2, Department of Pharmaceutics and Social Pharmacy, School of Pharmacy,
Mekele University, Mekele, Ethiopia.
3, Department of Pharmaceutics and Social Pharmacy, School of Pharmacy,
University of Gondar, Gondar, Ethiopia.