1. Department of Orthopaedic Surgery, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
2. School of Medicine, College of Medicine, I-Shou University, Kaohsiung, Taiwan
3. Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
4. School of Medicine for International Students, College of Medicine, I-Shou University, Kaohsiung, Taiwan