1. North York General Hospital Toronto Ontario Canada
2. Department of Laboratory Medicine and Pathobiology University of Toronto Toronto Ontario Canada
3. Department of Otolaryngology – Head and Neck Surgery University of Toronto Toronto Ontario Canada
4. Department of Laboratory Medicine St. Michael's Hospital Toronto Ontario Canada
5. Diagnexia Dublin Ireland
6. Division of Hematopathology and Transfusion Medicine University Health Network Toronto Ontario Canada
7. Division of Anatomical Pathology University Health Network Toronto Ontario Canada