1. Department of Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
2. Division of Biomedical Informatics, Seoul National University College of Medicine, Seoul, Korea.
3. Division of Breast Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
4. Department of Surgery, Chung-Ang University Hospital, Seoul, Korea.
5. Department of Pathology, Seoul National University College of Medicine, Seoul, Korea.
6. Department of Surgery, Seoul National University College of Medicine, Seoul, Korea.
7. Cancer Research Institute, Seoul National University, Seoul, Korea.