1. Department of Nursing, School of Nursing and Midwifery, Shahroud University of Medical Sciences, Shahroud, Iran
2. Imam Hossein Hospital, Shahroud University of Medical Sciences, Shahroud, Iran
3. Student Research Committee, School of Nursing and Midwifery, Shahroud University of Medical Sciences, Shahroud, Iran
4. Department of Epidemiology and Biostatistics, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
5. Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
6. Center for Health Related Social and Behavioral Sciences Research, Shahroud University of Medical Sciences, Shahroud, Iran