{"certainAgreement":{"otherDetails":"PI's are required to abide by the sponsor's publication guidelines which require review by coauthors and subsequent review and approval by the sponsor.","piSponsorEmployee":false,"restrictionType":"OTHER","restrictiveAgreement":true},"limitationsAndCaveats":{"description":"Local-regional failure and disease-free survival were additionally analyzed with the definition of failure used in the Meta-Analysis of Radiotherapy in Carcinomas of Head and Neck (MARCH) Collaborative Group and the Meta-Analysis of Chemotherapy in Head and Neck Cancer (MACH-NC) Collaborative Group publications. These modified outcome measures are labeled \"Alternate Definition\"."},"pointOfContact":{"email":"SeiferheldW@nrgoncology.org","organization":"NRG Oncology","title":"Wendy Seiferheld"}}