1. Department of Epidemiology, Shiraz University of Medical Sciences, Shiraz, Iran
2. Shiraz HIV/AIDS Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
3. Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
4. HIV/STI Surveillance Research Center, WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies, Health Kerman University of Medical Sciences, Kerman, Iran
5. Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran