1. Health Education Department; Faculty of Health; Baqiyatallah University of Medical Sciences; Tehran Iran
2. Health Research Center; Baqiyatallah University of Medical Sciences; Tehran Iran
3. Department of Epidemiology and Biostatistics; Faculty of Health; Baqiyatallah University of Medical Sciences; Tehran Iran
4. Department of Psychiatry; King Abdul Aziz University; Jeddah Saudi Arabia
5. Department of Psychiatry and Behavioral Sciences; Duke University Medical Center; Durham NC USA
6. King Abdulaziz University; Jeddah Saudi Arabia
7. Ningxia Medical University; Yinchuan China