1. Department of Surgery, Center for Breast Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea.
2. Department of Orthopaedic Surgery, Gyeongsang National University Hospital, Jinju, Korea.
3. Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
4. Department of Orthopaedic Surgery, Chung-Ang University College of Medicine, Seoul, Korea.