Affiliation: | 1. Department of Dermatology and Venereology, Peking University First Hospital, Beijing, China;2. Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, Beijing, China;3. National Clinical Research Center for Skin and Immune Diseases, Beijing, China;4. Department of Dermatology, Roger Williams Medical Center and Boston University, Providence, Rhode Island, USA;5. Department of Pathology and Laboratory Medicine, Warren Alpert Medical School at Brown University, Providence, Rhode Island, USA |