∗Department of Neurosurgery and Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou

†Department of Neurosurgery, The Affiliated Jiangyin Hospital, School of Medicine, Southeast University, Jiangyin, Jiangsu Province, China.

Address correspondence and reprint requests to Heng Gao, MD, Department of Neurosurgery, The Affiliated Jiangyin Hospital, School of Medicine, Southeast University, No. 3 Yingrui Road, Jiangyin, Jiangsu Province, 214400, China; E-mail: [email protected]; or Gang Chen, MD, PhD, Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu Province, 215006, China; E-mail: [email protected]

Conflicts of Interest and Source of Funding: The authors have no conflicts of interest to declare.

Author Contributions: All authors contributed to the study concept and design. J.H.W., S.Y.Y., and X.L. performed the statistical analysis. H.L. and Y.Z. conducted the literature review. J.R.L. wrote the manuscript. All authors revised the text for intellectual content and have read and approved the final version of the manuscript.

Supplemental digital contents are available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal’s Web site (www.clinicalneuropharm.com).