1. Department of Neurology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
2. Department of Neurology, Deqing County People's Hospital, Huzhou, Zhejiang 313200, P.R. China
3. Department of Pharmacy, Anhui University of Traditional Chinese Medicine, Hefei, Anhui 230012, P.R. China