1. Department of Anatomy, National Yang-Ming University, Taipei, Taiwan
2. Institute of Anatomy and Cell Biology, National Yang-Ming University, Taipei, Taiwan
3. Institute of Physiology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
4. Department of Medicine Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
5. Center for Neural Regeneration, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
6. Neural Regeneration Laboratory, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
7. Department of Pharmacology, School of Medicine, National Yang-Ming University, Taiwan
8. Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
9. School of Medicine, Taipei Medical University, Taipei, Taiwan
10. Department of Anatomy, China Medical University, Taichung, Taiwan
11. Institute of Medical Science, China Medical University, Taichung, Taiwan