1 Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University Dresden, Germany friedrich.stoelzel@uniklinikum-dresden.de.
2 German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany.
3 Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University Dresden, Germany.
4 Human Genetics, David Geffen School of Medicine, University of California Los Angeles, CA, USA.
5 National Center for Tumor Diseases (NCT), Heidelberg, Germany.
6 German Cancer Research Center (DKFZ), Heidelberg, Germany.
7 Institute of Human Genetics, University of Kiel and University Hospital Schleswig-Holstein, Kiel, Germany.