4th Symposium on Advances in Cancer Immunology and Immunotherapy, November 29–December 1, 2018, Athens, Greece. - Fortis, Sotirios P.; Kotsakis, Athanasios; Le Tourneau, Christophe; Tsitsilonis, Ourania E.; Georgoulias, Vassilis; Baxevanis, Constantin N. (Cancer Immunology, Immunotherapy, 2019)