1. Sunnybrook Health Sciences Centre, Toronto, ON M4N 3M5, Canada
2. Colorectal Cancer Resource & Action Network (CCRAN), Toronto, ON M4W 3E2, Canada
3. Southlake Stronach Regional Cancer Centre, Newmarket, ON L3Y 2P9, Canada
4. Tom Baker Cancer Centre, Calgary, AB T2N 4N2, Canada
5. Department of Medicine, Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain
6. BC Cancer Agency, Vancouver, BC V5Z 4E6, Canada
7. Nova Scotia Cancer Centre, Dalhousie University, Halifax, NS B3H 1V8, Canada
8. Division of Diagnostic Medical Genetics, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada
9. Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
10. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA 02115, USA
11. Adolescent & Young Adult (AYA) Oncology Program, Princess Margaret Hospital, Toronto, ON M5G 2M9, Canada