1 Department of Dermatology (W.X., C.T.), Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.
2 Department of Dermatology (L.W.), Yancheng Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Yancheng, China.
3 Department of Dermatology (W.X., C.T.), Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China. Electronic address: tancheng@yeah.net.