1. Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD 21287, USA.
2. Ludwig Center for Cancer Genetics and Howard Hughes Medical Institutions, Johns Hopkins Kimmel Cancer Center, Baltimore, MD 21231, USA.
3. Department of Head and Neck Surgery, University of Texas M.D. Anderson Cancer Center, 1515 Holcombe, Houston, TX 77030, USA.
4. Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD 21287, USA.
5. Human Genome Sequencing Center, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA.
6. Department of Bioinformatics and Computational Biology, University of Texas M.D. Anderson Cancer Center, 1515 Holcombe, Houston, TX 77030, USA.
7. Department of Pathology, University of Texas M.D. Anderson Cancer Center, 1515 Holcombe, Houston, TX 77030, USA.
8. Department of Pathology, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD 21287, USA.
9. Milton J. Dance Head and Neck Center, Greater Baltimore Medical Center, Baltimore, MD 21204, USA.