How to Increase the Efficacy of Immunotherapy in NSCLC and HNSCC: Role of Radiation Therapy, Chemotherapy, and Other Strategies - Nardone, Valerio; Pastina, Pierpaolo; Giannicola, Rocco; Agostino, Rita; Croci, Stefania; Tini, Paolo; Pirtoli, Luigi; Giordano, Antonio; Tagliaferri, Pierosandro; Correale, Pierpaolo (Frontiers in Immunology, 2018)