Protocol certification Name* First Last Email* Revision DetailsRevisions are noted below. Please select all. Select All Removal of “calipers” and “using calipers” from primary endpoint. Replaced with “clinical measurements” and “via clinical measurements.” Changed “calipers” to “or are <10 mm” for tumor lesions. Added language, “When calculating days of tests and measurements, the day a test or measurement is done is considered Day 0. Therefore, if a test were done on a Monday, the Monday one week later would be considered Day 7.” Certification for protocol documents for UW18098, PI: Justine Bruce*Study title: A Window of Opportunity Trial of Cetuximab in Patients with Head and Neck Squamous Cell Carcinoma (HNSCC) I certify that I am self-trained in the protocol documents dated 4/17/2019.