1. Departments of Physical Medicine and Rehabilitation, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
2. Departments of Otolaryngology, and Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
3. Departments of Cardiovascular Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
4. Graduate Institute of Injury Prevention, Taipei Medical University, Taipei, Taiwan
5. Department of Mathematics, Soochow University, Taipei, Taiwan
6. Evidence Based Medicine Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan