1. Health Research Center Life Style Institute Baqiyatallah University of Medical Sciences Tehran Iran
2. Health Education Department Faculty of Health Baqiyatallah University of Medical Sciences Tehran Iran
3. Department of Epidemiology and Biostatistics Baqiyatallah University of Medical Sciences Tehran Iran
4. Department of Psychiatry King Abdulaziz University Jeddah Saudi Arabia
5. Zagazig University Zagazig Egypt
6. Department of Psychiatry and Behavioral Sciences Duke University Medical Center Durham NC USA
7. School of Public Health Ningxia Medical University Yinchuan China