CIMT 2019: report on the 17th Annual Meeting of the Association for Cancer Immunotherapy. Issue 4 (2nd April 2020) - Beck, Jan David; Birtel, Matthias; Haefner, Erik; Keil, Isabell Sofia; Reidenbach, Daniel; Salomon, Nadja; Yildiz, Ikra Gizem; Diken, Mustafa