1. Department of Otolaryngology–Head and Neck Surgery, Sydney Kimmel Cancer Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
2. Department of Otolaryngology–Head and Neck Surgery, Washington University School of Medicine, St Louis, Missouri, USA
3. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology–Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, USA
4. Children’s Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
5. Department of Otolaryngology and Communication Sciences, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
6. Dartmouth-Hitchcock Medical Center, Lebanon New Hampshire, USA
7. Division of Biostatistics, Department of Pharmacology and Experimental Therapeutics, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
8. Otolaryngology Service, Brooke Army Medical Center, Fort Sam Houston, Texas, USA