1. Department of Orthopedic Surgery, Shin Kong Wu Ho-Su Memorial Hospital, No. 95, Wen-chang Road, Shi-lin District, Taipei 11101, Taiwan
2. Department of Orthopedic Surgery, National Taiwan University Hospital, No.1, Section 1, Ren-ai Road, Zhong-zheng District, Taipei 10051, Taiwan
3. Central Laboratory, Shin-Kong Wu Ho-Su Memorial Hospital, No. 95, Wenchang Road, Shi-lin District, Taipei 11101, Taiwan