1 Dermatology Hospital of South Medical University, Guangzhou, China; University of North Carolina at Chapel Hill Project-China, Guangzhou, China.
2 Zhuhai Centre for Disease Control and Prevention, Zhuhai, China; Faculty of Medicine, Macau University of Science and Technology, Macau SAR, China.
3 University of North Carolina at Chapel Hill Project-China, Guangzhou, China.
4 Dermatology Hospital of South Medical University, Guangzhou, China; University of North Carolina at Chapel Hill Project-China, Guangzhou, China. Electronic address: [email protected].