1. Department of Neurosurgery; the Fourth Affiliated Hospital of China Medical University; Chongshandong Road 4 Shenyang China 110032
2. Department of Pathology; College of Basic Medical Sciences of China Medical University; Shenyang China
3. Department of Hematology; the Fourth Affiliated Hospital of China Medical University; Shenyang China
4. Department of Radiation Oncology; the First Affiliated Hospital of China Medical University; Shenyang China