1. Department of Surgical Oncology, Head and Neck Surgery Section, Fox Chase Cancer Center, and the Department of Otolaryngology, Temple University School of Medicine; Temple University Health System; Philadelphia Pennsylvania U.S.A.
2. Biostatistics and Bioinformatics Facility, Fox Chase Cancer Center; Temple University Health System; Philadelphia Pennsylvania U.S.A.
3. Department of Surgery (Otolaryngology), Texas Children's Hospital; and the Department of Otolaryngology-Head and Neck Surgery, Baylor College of Medicine; Houston Texas U.S.A.