1. Department of Otolaryngology – Head and Neck SurgeryMcGill University Health Center, McGill University Montreal Quebec Canada
2. Research Institute of McGill University Health CenterMcGill University Montreal Quebec Canada
3. Department of Epidemiology, Biostatistics and Occupational HealthMcGill University Montreal Quebec Canada
4. Department of Otolaryngology – Head and Neck SurgeryGeorge Washington University School of Medicine and Health Sciences Washington District of Columbia USA
5. Department of Diagnostic RadiologyGeorge Washington University School of Medicine and Health Sciences Washington District of Columbia USA
6. Department of Oncology, McGill University Health CenterMcGill University Montreal Quebec Canada
7. Department of Hematology and OncologyGeorge Washington University Washington District of Columbia USA