1. Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, School of Medicine, National Taiwan University, Taipei, Taiwan
2. Department of Otolaryngology, National Taiwan University Hospital, School of Medicine, National Taiwan University, Taipei, Taiwan
3. Department of Physical Medicine and Rehabilitation, Taipei Medical University Hospital, Taipei, Taiwan
4. Institute of Applied Mechanics, National Taiwan University, Taipei, Taiwan
5. Department of Orthopedic Surgery, National Taiwan University Hospital, School of Medicine, National Taiwan University, Taipei, Taiwan