Affiliations:
  1. North York General Hospital, Toronto, ON
  2. Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON
  3. Department of Otolaryngology – Head and Neck Surgery, University of Toronto, Toronto, ON
  4. Department of Laboratory Medicine, St. Michael’s Hospital, Toronto, ON
  5. Diagnexia
  6. Division of Anatomical Pathology, University Health Network, Toronto, ON
  7. Division of Hematopathology and Transfusion Medicine, University Health Network, Toronto, ON