1. Department of Pathology Memorial Sloan Kettering Cancer Center New York NY USA
2. Department of Laboratory Medicine and Molecular Diagnostics Sunnybrook Health Sciences Centre Toronto Ontario Canada
3. Department of Otolaryngology–Head & Neck Surgery Sunnybrook Health Sciences Centre Toronto Ontario Canada
4. Department of Medical Oncology Memorial Sloan Kettering Cancer Center New York NY USA
5. Department of Surgery Memorial Sloan Kettering Cancer Center New York NY USA