1Division of Hematology, St. Paul’s Hospital and the University of British Columbia, 440-1144 Burrard Street, Vancouver, BC, Canada V6Z 2A5 2Centre for Lymphoma, Massachusetts General Hospital Cancer Centre and Harvard Medical School, Boston, MA 02114, USA 3Division of Hematology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada M4N 3M5 4Division of Hematology, St. ...