1. National Bureau of Statistics of China. The sixth national population census 2010. http://www.stats.gov.cn/english/Statisticaldata/CensusData/rkpc2010/indexch.htm .
2. Zhang BC, Li XF, Shi TX, Yang LG, Zhang JD. A primary estimation of the number of population and HIV prevalence in homosexual and bisexual men in China (in Chinese). Chin J AIDS/STI Prev Control. 2012;8(4):197–9.
3. National Health and Family Planning Commission of The People’s Republic of China. 2014 China AIDS Response Progress Report [EB/OL]. Beijing: Chinese Health and Family Planning Commission; 2014. http://www.unaids.org/sites/default/files/documents/CHN_narrative_report_2014.pdf .
4. Ministry of Health, UNAIDS, WHO. Report of HIV/AIDS estimation in 2011. Beijing: Ministry of Health; 2011.
5. National CDC of China. Annual report for HIV/STI/HCV prevention and control. Beijing: National CDC of China; 2014.