[1] Kerman Univ Med Sci, HIV STI Surveillance Res Ctr, Inst Futures Studies Hlth, Kerman, Iran
[2] Kerman Univ Med Sci, WHO Collaborating Ctr HIV Surveillance, Inst Futures Studies Hlth, Kerman, Iran
[3] Univ Calif San Francisco, Inst Global Hlth Sci, Dept Epidemiol & Biostat, San Francisco, CA USA
[4] UNSW Sydney, Kirby Inst, Sydney, NSW, Australia
[5] Sirjan Sch Med Sci, Dept Nursing & Midwifery, Sirjan, Iran
[6] Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada
[7] Brown Univ, Sch Publ Hlth, Dept Epidemiol, Providence, RI 02912 USA