[1
]University Hospital Mannheim, Mannheim, Germany
[2
]Study GBR Hamburg, Hamburg, Germany
[3
]Charité Campus Virchow Klinik, Berlin, Berlin, Germany
[4
]Medizinische Klinik und Poliklinik II, University of Wuerzburg, Würzburg, Germany
[5
]Krankenhaus Bogenhausen, München, Germany
[6
]Kliniken Maria Hilf, Mönchengladbach, Germany
[7
]Department of Internal Medicine II, Academic Teaching Hospital Wolfsburg, Wolfsburg,
Germany
[8
]Department of Medical Oncology, Klinikum Grosshadern, University of Munich, Munich,
Germany
[9
]Ruhr-Universität Bochum, Bochum, Germany
[10
]Institute for Pathology, Ruhr-University, Bochum, Germany
[11
]Institute of Clinical Cancer Research (IKF) at Krankenhaus Nordwest, UCT-University
Cancer Center, Frankfurt am Main, Germany