[1] Heidelberg Univ Hosp, Heidelberg, Germany
[2] Deutsch Krebsforschungszentrum DKFZ, Heidelberg, Germany
[3] Inst Stem Cell Technol & Expt Med, Heidelberg, Germany
[4] Max Delbruck Ctr, Berlin, Germany
[5] Berlin Inst Hlth, Berlin, Germany
[6] Charite, Berlin, Germany
[7] German Canc Consortium, Heidelberg, Germany