1. Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, Taipei;
2. School of Medicine, National Yang Ming Chiao Tung University, Taipei;
3. Institute of Biomedical Informatics, National Yang Ming Chiao Tung University, Taipei;
4. Department of Biomedical Engineering, School of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, Taipei;
5. Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei; and
6. Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei, Taiwan