1. Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan;
2. Department of Pediatrics, College of Medicine, National Taiwan University, Taipei, Taiwan;
3. College of Medicine, Institute of Toxicology, National Taiwan University, Taipei, Taiwan;
4. Department of Orthopaedics, College of Medicine, National Taiwan University, Taipei, Taiwan;
5. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan;
6. Department of Geriatrics and Gerontology, National Taiwan University, Taipei, Taiwan