Ke-Vin Chang1, Wei-Ting Wu2, Yi-Chiang Yang3, Levent Özçakar4. 1. Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, Taiwan. kvchang011@gmail.com. 2. Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, Taiwan. wwtaustin@yahoo.com.tw. 3. Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, Taiwan. yichiang2312@gmail.com. 4. Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey. lozcakar@yahoo.com.