1. State Key Laboratory for Infectious Disease Prevention and Control, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.
2. Guangdong Provincial Institute of Public Health, Guangdong, China.
3. Yunnan Center for Disease Control and Prevention, Yunnan, China.
4. AIDS Research Center, National Institute of Infectious Diseases, Tokyo, Japan.
5. Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China.