1 From the Departments of Neurology (Yi Yang, T.Z., Y.T.) and Infectious Diseases (S.L.), Mianyang Central Hospital, University of Electronic Science and Technology of China; Department of Neurology (Yi Yang, J.L.), West China Hospital, Sichuan University; and Department of Neurology (Yang Yang), The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.