1. Neural Regeneration Laboratory, Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, and School of Medicine and Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan, Republic of China
2. Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital
3. School of Medicine, National Yang-Ming University, Taipei, Taiwan, Republic of China
4. Department of Otolaryngology, Taipei Veterans General Hospital
5. Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, and School of Medicine, National Yang-Ming University, Taipei, Taiwan, Republic of China