{"certainAgreement":{"piSponsorEmployee":true},"limitationsAndCaveats":{"description":"* HPV (human papilloma virus) status of tumors not available.\n* Therapy heterogeneity in the therapy; radiotherapy fairly consistent but chemotherapy regimens varied.\n* Small sample size is limiting."},"pointOfContact":{"email":"yusuf-menda@uiowa.edu","organization":"The University of Iowa Department of Radiology","phone":"319-356-3214","title":"Yusuf Menda, MD"}}