1. Dermatology Hospital, Southern Medical University , Guangzhou , China
2. Department of Dermatology, Peking University First Hospital, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, National Clinical Research Center for Skin and Immune Diseases , Beijing , China
3. Department of Dermatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health , Beijing , China
4. Department of Dermatology, The First Affiliated Hospital of Xiamen University , Xiamen , China