1. Graduate School, Hunan University of Chinese Medicine, Changsha, Hunan 41000, P.R. China
2. Department of Hand Surgery, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 41000, P.R. China
3. Department of Galactophore, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 41000, P.R. China