1. Department of Dermatology of The First Hospital of China Medical University; Shenyang Liaoning China
2. Department of Dermatology of Peking University First Hospital; Beijing China
3. Department of Dermatology of RuiJin Hospital Shanghai Jiao Tong University School of Medicine; Shanghai China
4. Department of Dermatology of The Second Xiangya Hospital of Central South University; Changsha Hunan China
5. Department of Dermatology of Peking Union Medical College Hospital; Beijing China
6. Department of Dermatology of Guangzhou Institute of Dermatology; Guangzhou, Guangdong China
7. Department of Dermatology of The First Affiliated Hospital of Anhui Medical University; Hefei Anhui