1. Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
2. Department of Otorhinolaryngology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
3. Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania, USA
4. Department of Otolaryngology, Medical University of South Carolina, Charleston, South Carolina, USA
5. Department of Otolaryngology, School of Medicine, University of Kansas, Kansas City, Kansas, USA
6. Department of Otolaryngology, George Washington University, Washington, DC, USA
7. Department of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania, USA
8. Department of Otolaryngology, University of San Francisco, San Francisco, California, USA
9. Department of Otolaryngology, Mt. Sinai Health System, New York City, New York, USA
10. Department of Otolaryngology, Cleveland Clinic, Cleveland, Ohio, USA
11. Department of Otolaryngology, University of Miami, Miami, Florida, USA
12. Department of Otolaryngology, Mayo Clinic, Rochester, Minnesota, USA