Affiliations

• ¹ Department of Otolaryngology Head and Neck Surgery, Johns Hopkins University, Baltimore, Maryland.
• ² Centre Hospitalier de l'Université de Montréal, Montreal, Quebec City, Canada.
• ³ MD Anderson Cancer Center, Houston, Texas.
• ⁴ H. Lee Moffitt Cancer Center & Research Institute, Tampa, Florida.
• ⁵ University of Cincinnati Cancer Institute, Cincinnati, Ohio, (accruals under Thomas Jefferson University Hospital).
• ⁶ Washington University, St Louis, Missouri.
• ⁷ Sutter General Hospital, Sacramento, California, (accruals under Radiologic Associates of Sacramento).
• ⁸ University of California San Francisco, San Francisco, California.
• ⁹ Medical College of Wisconsin, Milwaukee, Wisconsin.
• ¹⁰ Fox Chase Cancer Center, Philadelphia, Pennsylvania.
• ¹¹ University of California Davis, Davis, California.
• ¹² University of Alabama at Birmingham Medical Center, Birmingham, Alabama.
• ¹³ L'Hotel-Dieu de Quebec, Ville de Québec, Quebec City, Canada.
• ¹⁴ University of Colorado, Aurora, Colorado.
• ¹⁵ University of Kentucky, Lexington, Kentucky, (accrual under University of Maryland Medical Systems).
• ¹⁶ NRG Oncology Statistics and Data Management Center, Philadelphia, Pennsylvania.
• ¹⁷ Stanford University, Stanford, California.