1. Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan
2. Department of Neurological Surgery, University of Virginia Health System, Charlottesville, Virginia
3. School of Medicine, National Yang-Ming University, Taipei, Taiwan
4. Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan
5. Department of Endocrinology, Taipei Veterans General Hospital, Taipei, Taiwan
6. Taipei Medical University-Shuang Ho Hospital, Taipei, Taiwan
7. Department of Radiation Oncology, Taipei Veterans General Hospital, Taipei, Taiwan