1. St Louis University School of Medicine St Louis Missouri USA
2. Department of Otolaryngology Head and Neck Surgery St Louis University School of Medicine St Louis Missouri USA
3. Department of Public Health Sciences Henry Ford Health System Detroit Michigan USA
4. Department of Otolaryngology Head and Neck Surgery Henry Ford Health System Detroit Michigan USA
5. Santa Rosa Community Health Santa Rosa California USA
6. Department of Head and Neck Surgery & Communication Sciences Duke University School of Medicine Durham North Carolina USA
7. Department of Population Health Sciences School of Medicine Duke University Durham North Carolina USA
8. Duke Cancer Institute Duke University Durham North Carolina USA