1. UNAIDS. Global Report: UNAIDS Report on the Global AIDS Epidemic 2013,
http://www.unaids.org/en/resources/campaigns/globalreport2013/index.html
(2013).
2. Nakagawa, F. et al. Curr. Opin. Infect. Dis. 26, 17–25 (2013).
3. World Health Organization, UNICEF, UNAIDS. Global update on HIV treatment 2013: Results, impact and opportunities,
http://www.who.int/hiv/pub/progressreports/update2013/en/index.html
(2013).
4. Gardner, E.M. et al. Clin. Infect. Dis. 52, 793–800 (2011).
5. HIV Prevention Trials Network.
http://www.hptn.org/research_studies/hptn065.asp
.