1. Department of Epidemiology, School of Public Health, Shahroud University of Medical Sciences, Shahroud, Iran
2. Prevention Center of Social-Mental injuries, Ilam University of Medical Sciences, Ilam, Iran
3. Faculty of Nursing and Health Sciences, Nord University, Bodø, Norway
4. Department of Complex Genetics and Epidemiology, School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
5. Clinical Research Development Unit, Imam Hossein Hospital, Shahroud University of Medical Sciences, Shahroud, Iran