1. Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
2. Research Center for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
3. Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
4. Endocrinology and Metabolism Research Center, TUMS, Tehran, Iran.
5. Endocrinology and Metabolism Research Center, Vali-Asr Hospital, Tehran, Iran.