1. The Third Department of Neurosurgery, Xingtai People's Hospital, Xingtai, Hebei 054001, P.R. China
2. Department of Anesthesiology, Xingtai People's Hospital, Xingtai, Hebei 054001, P.R. China
3. Department of Orthopedics, Xingtai People's Hospital, Xingtai, Hebei 054001, P.R. China
4. Science and Education Section, Xingtai People's Hospital, Xingtai, Hebei 054001, P.R. China
5. Tumor Laboratory, Xingtai People's Hospital, Xingtai, Hebei 054001, P.R. China
6. Department of Dermatology, Xingtai People's Hospital, Xingtai, Hebei 054001, P.R. China