1. Department of Physical Medicine and Rehabilitation, Kaohsiung Veterans General Hospital, Pingtung Branch, Pingtung County, Taiwan
2. Department of Physical Therapy, Shu-Zen Junior College of Medicine and Management, Kaohsiung, Taiwan
3. Department of Orthopedics, E-Da Hospital, Kaohsiung, Taiwan
4. Department of Emergency Medicine, Veterans General Hospital, Kaohsiung, Taiwan