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