Immune Checkpoint Expression on Immune Cells of HNSCC Patients and Modulation by Chemo- and Immunotherapy. - Puntigam, Lisa K.; Jeske, Sandra S.; Götz, Marlies; Greiner, Jochen; Laban, Simon; Theodoraki, Marie-Nicole; Doescher, Johannes; Weissinger, Stephanie E.; Brunner, Cornelia; Hoffmann, Thomas K.; Schuler, Patrick J. (International Journal of Molecular Sciences, 2020)