1. Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
2. Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
3. Department of Neurosurgery, The Affiliated Ganzhou Hospital of Nanchang University, Ganzhou, Jiangxi Province, China
4. Department of Neurosurgery, Xuzhou Central Hospital, Xuzhou, China
5. Department of Neurosurgery, The First People's Hospital Chuzhou, Chuzhou, China