[1] Korea University College of Medicine,Department of Surgery, Korea University Anam Hospital
[2] Inha University School of Medicine,Department of Surgery, Inha University Hospital
[3] Inje University,Department of Surgery, Haeundae Paik Hospital, College of Medicine
[4] National Cancer Center,Center for Breast Cancer
[5] Seoul National University College of Medicine,Department of Surgery, Seoul National University Bundang Hospital
[6] Kyungpook National University School of Medicine,Department of Surgery, Kyungpook National University Medical Center
[7] The Catholic University of Korea,Division of Breast & Thyroid Surgical Oncology, Department of Surgery, College of Medicine, St. Vincent’s Hospital
[8] Korea University College of Medicine,Division of Breast and Endocrine Surgery, Department of Surgery, Korea University Hospital