1. Department of Social Work, School of Social Health, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
2. Department of Biostatistics and Epidemiology, School of Social Health, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
3. Department of Psychiatry, Spiritual Health Research Center, Iran University of Medical Sciences, Tehran, Iran
4. Department of Public Health, College of Health Education and Social Transformation, New Mexico State University, Las Cruces, NM, USA