Correspondence to: Liping Liu, MD, PhD, China National Clinical Research Center for Neurological Diseases, 119 West Rd, South 4th Ring, Fengtai District, Beijing 100070, China. Email

E-mail Address: [email protected]

https://orcid.org/0000-0003-2943-055X

Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, China. (X.N., L.L.)

China National Clinical Research Center for Neurological Diseases, Beijing (X.N., L.L.).