1. 1Department of Emergency Medicine, National Yang-Ming University Hospital, I-Lan;
2. 2Faculty of Medicine, National Yang-Ming University, Taipei;
3. 3Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, Taipei;
4. 4Department of Medical Research and Education, National Yang-Ming University Hospital, I-Lan;
5. 5Institute of Hospital and Health Care Administration, National Yang-Ming University School of Medicine, Taipei;
6. 6Department of Ophthalmology, Chang Gung Memorial Hospital, Taoyuan;
7. 7College of Medicine, Chang Gung University, Taoyuan; and
8. 8Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan