1. Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
2. Department of Biostatistics and Epidemiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
3. Departments of Preventive Medicine, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
4. Center for Disease Control, Ministry of Health and Medical Education, Tehran, Iran.