1. School of Rehabilitation Medicine and Health Care, Hunan University of Medicine, Huaihua, Hunan 418000, P.R. China
2. School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, P.R. China
3. School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, P.R. China
4. Medical School, Hunan University of Chinese Medicine, Changsha, Hunan 410208, P.R. China
5. Department of Dermatology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410021, P.R. China