1. Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, China
2. Department of Dermatology, People’s Hospital of Ningxia Hui Autonomous Region, Ningxia Medical University, Yinchuan, China