1. Department of Neurosurgery, Fuzhou General Hospital, Fujian Medical University, Fuzhou, Fujian 35002, P.R. China
2. Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian 350025, P.R. China
3. Department of Endocrinology, First Hospital of Fuzhou Affiliated to Fujian Medical University, Fuzhou, Fujian 350009, P.R. China
4. Department of Neurosurgery, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian 361003, P.R. China