1. Institute of Injury Prevention and Control, Taipei Medical University, Taipei, Taiwan.
2. Department of Physical Medicine and Rehabilitation, Wan Fang Hospital, Taipei, Taiwan.
3. Department of Nursing, National Taipei University of Nursing and Health Science, Taipei, Taiwan.
4. Department of Nursing, Cathay General Hospital, Taipei, Taiwan.
5. Department of Emergency Medicine, Taichung Branch, Buddhist Tzu Chi General Hospital, Taichung, Taiwan.
6. Biostatistics Center, China Medical University, Taichung, Taiwan.