1. Mental Health Research Center, School of Behavioral Sciences and Mental Health (Tehran Institute of Psychiatry), Iran University of Medical Sciences, Tehran, Iran
2. Preventive Medicine and Public Health Research Center, Department of Community and Family Medicine, Psychosocial Health Research Institute, Iran University of Medical Sciences, Tehran, Iran
3. Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran
4. Rajaie Cardiovascular, Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
5. Iranian Scientific Society for Suicide Prevention, Tehran, Iran