1. Department of Dermatology and Venereology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310007, P.R. China
2. Department of Dermatology, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
3. Department of Dermatology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Zhejiang Hangzhou, Zhejiang 310006, P.R. China