1. Woldia Hospital, Woldia, Ethiopia
2. Psychiatry Department, University of Gondar, Gondar, Ethiopia
3. Amanuel Mental Specialized Hospital, Addis Ababa, Ethiopia
4. Psychiatry Department, Bahir Dar University, Bahir Dar, Ethiopia
5. College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
6. Psychiatry Department, Dilla University, Dilla, Ethiopia
7. College of Health Sciences, Mizan-Tepi University, Mizan-Tepi, Ethiopia
8. Finote Selam Hospital, Finote Selam, Ethiopia