1. Department of Pathology, Hematopathology Section and Lymph Node Registry, University of Kiel, Kiel, Germany;
2. Department of Internal Medicine III, University Hospital Munich, Munich, Germany;
3. Institute of Medical Information Processing, Biometry, and Epidemiology, University of Munich, Munich, Germany;
4. Institute of Pathology, University of Wurzburg, Wurzburg, Germany;
5. Comprehensive Cancer Center Mainfranken, Wurzburg, Germany;
6. Department of Pathology, Necker Hospital, Public Assistance – Hospital of Paris, University Paris Descartes, Paris, France;
7. Department of Biological Hematology and Immunology, Public Assistance – Hospital of Paris, Henri Mondor Hospital Group, Creteil, France;
8. Mondor Institute of Biomedical Research-INSERM U955, Team 9, Henri Mondor Hospital, Creteil, France;
9. Université Paris-Est, Creteil, France;
10. Department of Pathology and Laboratory Diagnostics, Maria Sklodowska Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland;
11. Department of Pathology, University Hospital Schleswig-Holstein, Lubeck, Germany;
12. Department of Pathology, University Hospital of Frankfurt, Frankfurt, Germany;
13. Department of Hematology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;
14. Department of Hematology, Necker Hospital, Public Assistance – Hospital of Paris, University Paris Descartes, Paris, France; and
15. Imagine Institute, University of Sorbonne Paris City, Paris, France