1. Princess Margaret Cancer Centre, University Health Network; Cancer Care Ontario; and University of Toronto, Toronto; Cancer Care Ontario Program in Evidence-Based Care, McMaster University, Hamilton; Trillium Health Partners, Mississauga Halton-Central West Regional Cancer Program, Mississauga; Ottawa Hospital Cancer Centre, Ottawa; Stronach Regional Cancer Centre and Southlake Regional Health Centre, Newmarket; and Thunder Bay Regional Health Sciences Centre, Thunder Bay, Ontario, Canada