1. Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
2. Institute of Human Genetics, Christian-Albrechts-University Kiel and University Hospital Schleswig-Holstein, Kiel, Germany
3. Department of Genetics, Cell Biology and Development, Masonic Cancer Center and Developmental Biology Center, University of Minnesota, Minneapolis, USA
4. Institute of Cell Biology (Cancer Research), Medical Faculty, University of Duisburg-Essen, Essen, Germany, and Deutsches Konsortium für Translationale Krebsforschung (DKTK)
5. Department of Pediatric Hematology and Oncology, University Children’s Hospital Essen, Essen, Germany
6. Department of Pathology, Haematopathology Section and Lymph Node Registry, Christian-Albrechts University Kiel, Kiel, Germany
7. Reference and Consultant Center of Lymph Node and Lymphoma Pathology at Dr. Senckenberg Institute of Pathology, University of Frankfurt, Medical School, Frankfurt, Germany
8. Institute of Human Genetics, University of Ulm and University of Ulm Medical Center, Ulm, Germany
9. Division of Hematology/Oncology, Department of Medicine, Weill Cornell Medicine, New York, USA
10. Department of Pathology, Uppsala University Hospital, Uppsala, Sweden