1 Department of Otolaryngology-Head and Neck Surgery, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.
2 Center for Children's Surgery, Children's Hospital Colorado, Aurora, CO, United States.
3 Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA, United States.
4 Departments of Otolaryngology-Head and Neck Surgery, and Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA, United States.
5 Division of Otolaryngology, Department of Surgery, University of California San Diego School of Medicine, La Jolla, CA, United States.
6 Veterans Affairs Medical Center, La Jolla, CA, United States.