Correspondence to: Fang Fang, MD, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, Sichuan 610041, China. Email

E-mail Address: [email protected]

https://orcid.org/0000-0002-8711-1920

Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China (Y.Z., L.L., L.J., C.Y., Y.C., F.F.).