1. Department of Psychiatric Nursing, School of Nursing and Midwifery, Substance Abuse Prevention Research Centre, Kermanshah University of Medical Sciences, Kermanshah, Iran
2. Student Research Committee, School of Nursing & Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran
3. Biostatistics Department, School of Nursing & Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran
4. Department of Nursing, School of Nursing, Larestan University of Medical Sciences, Larestan, Iran
5. Department of Psychiatric Nursing, School of Nursing and Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran