1. Department of Pathology and Molecular Medicine and
2. Department of Medicine, Queen’s University, Kingston, ON, Canada;
3. Department of Medicine, Foothills Medical Centre, Alberta Health Services, University of Calgary, Calgary, AB, Canada;
4. Division of Hematology/Oncology, Health Sciences Centre, St. Johns, NL, Canada; and
5. Clinique d'Hematologie, Centre Hospitalier Universitaire St. Justine, Montréal, QC, Canada