1 Department of Otolaryngology - Head and Neck Surgery (Biadsee, Sowerby), Schulich School of Medicine, Western University, London, Ont.; Department of Otolaryngology - Head and Neck Surgery (Biadsee), Meir Medical Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Division of Hematology (Gob), Department of Medicine, Schulich School of Medicine, Western University, London, Ont.
2 Department of Otolaryngology - Head and Neck Surgery (Biadsee, Sowerby), Schulich School of Medicine, Western University, London, Ont.; Department of Otolaryngology - Head and Neck Surgery (Biadsee), Meir Medical Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Division of Hematology (Gob), Department of Medicine, Schulich School of Medicine, Western University, London, Ont. leigh.sowerby@sjhc.london.on.ca.