1. Division of Breast and Endocrine Surgery; Department of Surgery; Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul South Korea
2. Department of Surgery; Seoul National University Boramae Medical Center; Seoul South Korea
3. Department of Surgery; Changwon Gyeongsang National University Hospital; Gyeongsang National University School of Medicine; Changwon South Korea
4. Division of Breast and Endocrine Surgery; Department of Surgery; Samsung Changwon Hospital; Sungkyunkwan University School of Medicine; Changwon South Korea
5. Department of Surgery; Seoul National University Hospital and College of Medicine; Seoul South Korea