1. Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
2. Department of Neurology, Xi'an Third Hospital, Shanxi 710000, China
3. Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
4. Department of Neurology, The Third Hospital of Mianyang, Sichuan 621000, China