1. 1Department of Neurosurgery, The Third People’s Hospital of Henan Province and The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450006, China
2. 2Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
3. 3Department of Nuclear Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China