1 From the Department of Neurosurgery (D.N., G.S., J.G.), Fourth Affiliated Hospital of Nantong University, Yancheng; Department of Neurosurgery (L.X.), Zhejiang Cancer Hospital, Hangzhou; and Department of Neurosurgery (J.C., W.S.), Affiliated Hospital of Nantong University, Nantong, China.
2 From the Department of Neurosurgery (D.N., G.S., J.G.), Fourth Affiliated Hospital of Nantong University, Yancheng; Department of Neurosurgery (L.X.), Zhejiang Cancer Hospital, Hangzhou; and Department of Neurosurgery (J.C., W.S.), Affiliated Hospital of Nantong University, Nantong, China. ycyyguojun@163.com sunguan2008@sina.com.