1. Departments of Neurosurgery and
2. Affiliated Hospital of Chengdu University, Chengdu, Sichuan;
3. Endocrinology, West China Hospital, Sichuan University, Chengdu, Sichuan;
4. Department of Neurosurgery, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi;
5. Department of Neurosurgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong;
6. Department of Neurosurgery, Longquan Hospital, Chengdu, Sichuan, China;
7. Department of Medical Oncology, Thomas Jefferson University, Philadelphia; and
8. Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania