1. Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, SH, China
2. Department of Neurosurgery, Ninth People Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, SH, China
3. Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, SH, China