Institution: | 1. Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania;2. Department of Orthopaedic Surgery, Chang Gung Memorial Hospital at Chia‐yi, Graduate Institute of Clinical Medicine Science, Chang Gung University, Taoyuan, Taiwan;3. Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Bohseidai, Isehara, Kanagawa, Japan |