PD1+CD8+ cells are an independent prognostic marker in patients with head and neck cancer

<strong>Supplementary Materials: </strong>The following supporting information can be downloaded at: www.mdpi.com/xxx/s1, <strong>Table S1. </strong>Reaction conditions for each panel of antibodies. The order of antibodies and buffer used for epitope retrieval (AR) are indicated as well as the reaction conditions for the primary antibody and OPAL fluorophore staining. For all slides, Opal Polymer HRP Ms+Rb as the secondary antibody and DAPI as the final nuclei counterstain were used. <strong>Table S2</strong>. Cell counts/Mpx in the parenchyma and stroma of HNSCC tumors <strong>Table S3: </strong>Models of DSS and OS. <strong>Data open:</strong> file with parametres used for the multivariate evaluation.