1. Women's College Research Institute Women's College Hospital Toronto Ontario Canada
2. Lawrence S. Bloomberg Faculty of Nursing University of Toronto Toronto Ontario Canada
3. Dalla Lana School of Public Health University of Toronto Toronto Ontario Canada
4. The Meiray Center High Risk Clinic Chaim Sheba Medical Center Ramat Gan Israel
5. Sackler Faculty of Medicine Tel Aviv University Ramat Aviv Israel
6. Beth Israel Deaconess Medical Center Boston Massachusetts USA
7. Beaumont Health Royal Oak Michigan USA
8. Toronto‐Sunnybrook Regional Cancer Center Toronto Ontario Canada
9. Cedars‐Sinai Medical Center Los Angeles California USA
10. Program in Cancer Genetics, Department of Oncology and Human Genetics McGill University Montréal Canada
11. Department of Population Sciences Beckman Research Institute of City of Hope Duarte California USA
12. Division of Human Genetics The Ohio State University Medical Center, Comprehensive Cancer Center Columbus Ohio USA
13. Familial Cancer Program University of Vermont Medical Center Burlington Vermont USA
14. Marvelle Koffler Breast Centre Mount Sinai Hospital Toronto Ontario Canada