1. Department
of Neurosurgery, Jinling Hospital, School of Medicine, Nanjing University, 305 East Zhongshan Road, Nanjing 210002, Jiangsu Province, P. R. China
2. Jiangsu
Key Laboratory for Molecular Medicine, Medical School of Nanjing University, 22 Hankou Road, Nanjing 210093, Jiangsu Province, P. R. China
3. Department
of Neurosurgery, Jinling Hospital, School of Medicine, Second Military Medical University, Shanghai 200433, China
4. Department
of Neurosurgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230031, P. R. China