1. Student Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
2. Clinical Care Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
3. Department of Community Medicine and Behavioural Sciences, Faculty of Medicine, Kuwait University, Kuwait
4. Department of Epidemiology and Biostatistics, School of Public health, Tehran University of Medical Sciences, Tehran, Iran
5. Spiritual Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran