1 From the Department of Neurology (J.Y., M.L., X.L., G.L.), the Sixth People's Hospital of Chengdu; and the West China School of Nursing/Departments of Neurosurgery (H.C.), Neurology (L.C., H.Z.), and Pathology (S.L.), West China Hospital, Sichuan University, Chengdu, China.
2 From the Department of Neurology (J.Y., M.L., X.L., G.L.), the Sixth People's Hospital of Chengdu; and the West China School of Nursing/Departments of Neurosurgery (H.C.), Neurology (L.C., H.Z.), and Pathology (S.L.), West China Hospital, Sichuan University, Chengdu, China. liguangzong1979@163.com Hongbo_zheng@126.com.