1. General Surgery Department Mashhad University of Medical Sciences Mashhad Iran
2. Department of Obstetrics and Gynecology, Neonatal and Maternal Research Center Mashhad University of Medical Sciences Mashhad Iran
3. Department of Radiology, Faculty of Medicine Mashhad University of Medical Sciences Mashhad Iran
4. Faculty of Medicine Abadan University of Medical Sciences Abadan Iran
5. Surgical Oncology Research Center Mashhad University of Medical Sciences Mashhad Iran