1. Department of Biostatistics, Social Development and Health Promotion Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
2. Department of Nursing, School of Nursing and Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran
3. Department of Internal Medicine, Faculty of Medicine, Imam Reza Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran
4. Department of Nursing, Student Research Committee, School of Nursing and Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran