1. Institute of Human Genetics; University Hospital Schleswig-Holstein Campus Kiel/Christian-Albrechts University Kiel; Kiel Germany
2. Department of Pathology & Medical Biology; University Medical Centre Groningen; University of Groningen; Groningen the Netherlands
3. Department of Haematology; University Medical Centre Groningen; University of Groningen; Groningen the Netherlands
4. Non-Hodgkin Lymphoma Berlin-Frankfurt-Münster Group Study Centre; Department of Paediatric Haematology and Oncology; Justus Liebig University; Gießen Germany
5. Department of Evolutionary Theory; Max Planck Institute for Evolutionary Biology; Plön Germany
6. Institute of Pathology; University Hospital Giessen and Marburg; Justus-Liebig-University Giessen; Giessen Germany
7. Non-Hodgkin Lymphoma Berlin-Frankfurt-Münster Group Study Center; Department of Pediatric Haematology and Oncology; University Children's Hospital; Münster Germany
8. Department of Paediatrics; University Hospital Schleswig-Holstein Campus Kiel/Christian-Albrechts University; Kiel Germany
9. Department of Pathology, Haematopathology Section and Lymph Node Registry; University Hospital Schleswig-Holstein Campus Kiel/Christian-Albrechts University Kiel; Kiel Germany
10. Second Medical Department; University Hospital Schleswig-Holstein Campus Kiel/Christian-Albrechts University Kiel; Kiel Germany