Jinan University, Southern Medical University - Dermatology Hospital of Southern Medical University, Jinan University, Jinan University, Jinan University - Department of Public Health and Preventive Medicine, Jinan University, Southern Medical University - Dermatology Hospital of Southern Medical University, Southern Medical University - Department of Sexually Transmitted Diseases Prevention and Control, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health, Jinan University - Department of Public Health and Preventive Medicine, Jinan University, Southern Medical University - Dermatology Hospital of Southern Medical University and Guangdong Provincial Center for Disease Control and Prevention - Guangdong Provincial Institute of Public Health