1. Department of Dermatology, Third People's Hospital of Hangzhou, Hangzhou, Zhejiang 310009, P.R. China
2. Department of Dermatology, Tongxiang Dermatosis Prevention Institute, Tongxiang, Zhejiang 314500, P.R. China
3. Department of Acupuncture, Integrated Chinese and Western Medicine Hospital of Xihu, Hangzhou, Zhejiang 310030, P.R. China