1. Department of Surgery, Faculty of Medicine, Shiraz University of Medical Science, Shiraz, Iran.
2. Department of Nursing, Faculty of Nursing and Midwifery, Islamic Azad University of Khorasgan, Isfahan, Iran.
3. Department of Surgery, Faculty of Medicine, Mashhad University of Medical Science, Mashhad, Iran.
4. Department of Surgery, School of Medicine, Shiraz University of Medical Science, Shiraz, Iran.