1. Department of Internal Medicine, Knappschaftskrankenhaus Ruhr University Bochum Germany
2. Institute for Medical Informatics, Statistics and Epidemiology University of Leipzig Leipzig Germany
3. Department of Internal Medicine I University Hospital of Bonn Bonn Germany
4. Center for Hereditary Tumor Syndromes University Hospital of Bonn Bonn Germany
5. Institute of Human Genetics University of Bonn Bonn Germany
6. Medizinische Klinik und Poliklinik IV, Campus Innenstadt Klinikum der Universität München Munich Germany
7. MGZ – Medizinisch Genetisches Zentrum Munich Germany
8. Institute of Human Genetics, Medical School Heinrich Heine University Duesseldorf Germany
9. Department of Surgery Technische Universität Dresden Germany
10. Department of Applied Tumor Biology, Institute of Pathology, University Hospital Heidelberg, Germany; and Cooperation Unit Applied Tumor Biology German Cancer Research Center (DKFZ) Heidelberg Germany
11. Institute for Human Genetics Ruhr‐University Bochum Germany
12. Ev. BETHESDA Krankenhaus Duisburg Center for Hereditary Tumors Duisburg Germany
13. Institute of Pathology University of Cologne Cologne Germany
14. Department of Medicine Hospital St. Joseph‐Stift Bremen Germany
15. Department of Hematology and Oncology Klinikum Hochsauerland Meschede Germany
16. Praxis fuer Haematologie & Onkologie MVZ Arnsberg Germany