[1
]
Project-China, University of North Carolina, Guangzhou, China.
[2
]
STI Control, Guangdong Provincial Center for Skin Diseases and STIs control, Guangzhou,
Guangdong, China.
[3
]
Depatment of Obstetrics and Gynecology, Johns Hopkins University, Baltimore, Maryland,
USA.
[4
]
Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.
[5
]
Health Sciences Library, University of North Carolina-Chapel Hill, Chapel Hill, North
Carolina, USA.
[6
]
School of Medicine, Oregon Health and Science University, Portland, Oregon, USA.
[7
]
Department of AIDS/STD Control and Prevention, Guangzhou Center for Disease Control
and Prevention, Guangzhou, China.
[8
]
Social Entrepreneurship to Spur Health, Guangzhou, Guangdong, China.
[9
]
Center for Chronic Disease Control, Shenzhen, Guangdong, China.
[10
]
Pediatrics, University of North Carolina, Chapel Hill, North Carolina, USA.
[11
]
Medicine, University of California, Los Angeles, San Francisco, California, USA.
[12
]
UNC Project-China, Guangzhou, Guangdong, China jdtucker@med.unc.edu.
[13
]
Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical
Medicine, London, United Kingdom.