On March 26, 2009 a delegation of German Cancer Research Center (DKFZ) and the Helmholtz Association with Prof. Otmar Wiestler visited IIMCB. Prof. Wiestler is the Chairman of the Management Board and Scientific Director of DKFZ and the Vice-President for Health Research of the Helmholtz Association. The delegation was hosted by Prof. Michal Witt and discussion focused on possibilities of future cooperation of IIMCB with both institutions.