1. Department of Nursing and Midwifery , Jiroft University of Medical Sciences , Jiroft , Iran
2. School of Nursing and Midwifery , Shahroud University of Medical Sciences , Shahroud , Iran
3. School of Medicine , Mashhad University of Medical Sciences , Mashhad , Iran
4. Shiraz HIV/AIDS Research Center, Institute of Health , Shiraz University of Medical Sciences , Shiraz , Iran