1. Department of Anesthesiology and Critical Care Wolaita Sodo University Wolaita Sodo Ethiopia
2. Department of Anesthesiology and Critical Care Addis Ababa University Addis Ababa Ethiopia
3. Department of Public Health Wolaita Sodo University Wolaita Sodo Ethiopia
4. Department of Obstetrics and Gynecology Wolkite University Wolkite Ethiopia
5. Department of Surgery Wolkite University Wolkite Ethiopia
6. Department of Anesthesia Wolkite University Wolkite Ethiopia