1. From the Department of Hematology, Oncology and Tumor Immunology, Charité - Campus Berlin-Buch, Humboldt University; Invitek GmbH; Theragen AG; and Max Delbrück Center for Molecular Medicine, Berlin-Buch; Institute of Pathology, Charité - Campus Berlin-Mitte, Berlin; and Department of General and Vascular Surgery, University Hospital, Johann Wolfgang Goethe University, Frankfurt am Main, Germany.