1. Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada
2. Jewish General Hospital, Montreal, QC H3T 1E2, Canada
3. British Columbia Cancer Centre, University of British Columbia, Vancouver, BC V5Z 4E6, Canada
4. Rethink Breast Cancer, Toronto, ON M4M 3G3, Canada
5. Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, ON M4N 3M5, Canada
6. Department of Surgery and Oncology, University of Calgary, Calgary, AB T2N 4Z6, Canada
7. Marvelle Koffler Breast Centre, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada