1. Department of Neurosurgery, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
2. Faculty of Nursing and Midwifery, Kurdistan University of Medical Sciences, Sanandaj, Iran
3. Department of Gynecology and Obstetrics, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
4. Department of Anesthesia, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran