1. Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
2. Department of Dermatology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
3. Department of Dermatology, First Affiliated Hospital of Medical School of Zhejiang University, Hangzhou, China
4. Department of Dermatology, West China Hospital of Sichuan University, Chengdu, China
5. Shanghai Dermatology Hospital, Shanghai, China
6. Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
7. Department of Dermatology, Second Affiliated Hospital of Medical School of Zhejiang University, Hangzhou, China