1. Department of Oncology Taipei Veterans General Hospital Taipei Taiwan
2. Institute of Public Health National Yang‐Ming University Taipei Taiwan
3. Department of Radiology Taipei Veterans General Hospital Taipei Taiwan
4. School of Medicine National Yang‐Ming University Taipei Taiwan
5. Neurological Institute Taipei Veterans General Hospital Taipei Taiwan
6. Institute of Clinical Medicine National Yang‐Ming University Taipei Taiwan
7. Department of Neurosurgery Taipei Medical University Hospital Taipei Taiwan
8. Department of Neurosurgery Taipei Medical University Taipei Taiwan
9. Department of Biomedical Imaging and Radiological Sciences National Yang‐Ming University Taipei Taiwan