1. Harvard School of Public Health; Boston Massachusetts
2. Department of Surgery; McGill University Health Center; Montreal Quebec Canada
3. Department of Population Medicine; Harvard Medical School and Harvard Pilgrim Health Care Institute; Boston Massachusetts
4. Department of Radiation Oncology Brigham; and Women's Hospital/Dana-Farber Cancer Institute Harvard Medical School; Boston Massachusetts
5. Department of Breast Oncology; Sagara Hospital, Hakuaikai Medical Corporation; Kagoshima Japan
6. Department of Surgery; Brigham and Women's Hospital/Dana-Farber Cancer Institute Harvard Medical School; Boston Massachusetts