1. Jinzhou Medical University, Jinzhou, China
2. Department of Neurology, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, China
3. Department of Neurology, The First Affiliated Hospital of Kangda College of Nanjing Medical University, Lianyungang, China
4. Department of Neurosurgery, The Affiliated Lianyungang Hospital of Xuzhou Medical University, Lianyungang, China
5. Department of Neurosurgery, The First Affiliated Hospital of Kangda College of Nanjing Medical University, Lianyungang, China