1. Department of Sports Medicine, China Medical University, Taichung City, Taiwan, R.O.C.
2. Department of Physical Therapy and Rehabilitation, Da-Chien General Hospital, Miaoli City, Taiwan, R.O.C.
3. Graduate Institute of Clinical Medical Science, China Medical University, Taichung City, Taiwan, R.O.C.
4. Department of Otorhinolaryngology, China Medical University and Hospital, Taichung City, Taiwan, R.O.C.