1. Beijing Key Laboratory for HIV/AIDS Research, Sino-French Joint Laboratory for Research on Humoral Immune Response to HIV Infection, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China.
2. Department of Dermatology, Beijing Youan Hospital, Capital Medical University, Beijing, China.
3. Department of Dermatology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China.
4. Department of Biology, Faculty of Science, Hong Kong Baptist University, Hong Kong, China.