1. Psychiatry Department, Gimbi General Hospital, Oromia, Ethiopia
2. School of Nursing and Midwifery, College of Medicine and Health Sciences, Hawassa University, Hawassa, Ethiopia
3. Department of Biostatistics and Epidemiology, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
4. Research and Training Directorate, Amanuel Specialized Mental Hospital, Addis Ababa, Ethiopia