1. Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan.
2. Department of Neurology, Cheng Hsin General Hospital, Taipei, Taiwan.
3. School of Medicine, National Yang-Ming University, Taipei, Taiwan.
4. Department of Neurology, I-Lan Hospital, National Yang-Ming University, I-Lan, Taiwan.
5. School of Medicine, Fu-Jen Catholic University, New Taipei, Taiwan.
6. Section of Hyperbaric Oxygen Medicine, Cardinal Tien Hospital, Taipei, Taiwan.
7. Epidemiology and Preventive Medicine, National Taiwan University, Taipei, Taiwan.
8. The Neurological Institute, Taipei-Veterans General Hospital, Taipei, Taiwan.
9. Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
10. Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan.