1. Bone and Joint Reconstruction Research Center Department of Orthopedics School of Medicine Iran University of Medical Sciences Tehran Iran
2. Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center Research Institute for Gastroenterology and Liver Diseases Shahid Beheshti University of Medical Sciences Tehran Iran
3. Department of Psychology Research Institute of Hawzah and University Ghom Iran
4. Colorectal Research Center Iran University of Medical Sciences Tehran Iran
5. Department of Orthopedic Surgery Farhikhtegan Hospital, Faculty of Medicine Tehran Medical Sciences Islamic Azad University Tehran Iran