1. Institute of Biological Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan.
2. Department of Medical Education & Research, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan.
3. O'Brien Institute, University of Melbourne, Fitzroy 3065, VIC, Australia.
4. Department of Biological Science and Technology, I-Shou University, Kaohsiung County 824, Taiwan.
5. Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung 804, Taiwan.
6. Division of Neurosurgery, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan.
7. Department of Neurological Surgery, Kaohsiung Armed Forces General Hospital, Kaohsiung 802, Taiwan.
8. Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan.