1. Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Department of Biology, Faculty of Biological Science, Islamic Azad University, North Tehran Branch, Tehran, Iran
3. Bone and Joint Reconstruction Research Center, Department of Orthopedics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
4. Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran