1. Department of Surgery; E-Da Hospital and I-Shou University; Kaohsiung Taiwan
2. Management Office for Health Data; China Medical University Hospital; Taichung Taiwan
3. Department of Orthopedics; E-Da Hospital and I-Shou University; Kaohsiung Taiwan
4. Department of Nuclear Medicine and PET Center; China Medical University Hospital; Taichung Taiwan
5. Graduate Institute of Clinical Medical Science and School of Medicine; College of Medicine; China Medical University; Taichung Taiwan