1. Cardiovascular Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran
2. Road Trauma Research Center, Guilan University of Medical Sciences, Rasht, Iran
3. School of Health, Guilan University of Medical Sciences, Rasht, Iran
4. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
5. Department of Epidemiology, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
6. Department of Endocrinology, AJA University of Medical Sciences, Tehran, Iran
7. Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, Montreal, Quebec, Canada