1. Department of Occupation Medicine; Chang-Gung Memorial Hospital at Keelung; Keelung Taiwan
2. Faculty of Medicine; National Yang-Ming University; Taipei Taiwan
3. Division of Pediatric Neurosurgery; Neurological Institute; Taipei Veterans General Hospital; Taipei Taiwan
4. Department of Emergency Medicine; Chang-Gung Memorial Hospital at Chiayi; Put-Zu Chiayi Taiwan
5. Chang-Gung Institute of Technology; Put-Zu Chiayi Taiwan
6. Department of Emergency Medicine; Taipei Medical University Hospital; Taipei Taiwan
7. Emergency Department; Wan Fang Hospital; Taipei Medical University; Taipei Taiwan
8. Department of Emergency; School of Medicine; College of Medicine; Taipei Medical University; Taipei Taiwan
9. Department of Physical Education; National Taitung University; Taitung Taiwan
10. Department of Family Medicine; Kaohsiung Chang-Gung Memorial Hospital; Kaohsiung Taiwan