Department of Dermatology, Peking University People's Hospital, Beijing 100044, China;
Department of Central Laboratory , Peking University People's Hospital, Beijing 100044, China;
Department of Dermatology, Tianjin Medical University General Hospital, Tianjin 300052, China;
Department of Dermatology, Peking University People's Hospital, Beijing 100044, China;
Department of Dermatology, Peking University People's Hospital, Beijing 100044, China;