1. Department of Operating Room , Faculty of Para Medicine, Bushehr University of Medical Sciences , Bushehr , Iran
2. Department of Anaesthesia and Surgical Technologists , Community Based Psychiatric Care Research Center, School of Nursing and Midwifery, Shiraz University Medical Sciences , Shiraz , Iran
3. Department of Operating Room , School of Nursing and Midwifery, Shahrekord University of Medical Sciences , Shahrekord , Iran
4. Department of Midwifery , Maternal-Fetal Medicine Research Center, School of Nursing and Midwifery, Shiraz University of Medical Sciences , Shiraz , Iran