1. Department of Clinical Pathology, Robert-Bosch-Krankenhaus and Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany;
2. Institute for Medical Informatics, Statistics, and Epidemiology, Universität Leipzig, Leipzig, Germany;
3. Institute of Human Genetics, Christian-Albrechts-University Kiel and University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany;
4. Institute of Pathology, Universitätsklinikum Ulm, Ulm, Germany;
5. Institute of Pathology, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Lübeck, Germany;
6. Institute of Pathology, Hematopathology Section and Lymph Node Registry, Universitätsklinikum Schleswig-Holstein, Campus Kiel, Kiel, Germany;
7. Institute of Pathology, Campus Benjamin Franklin, Charité Universitätsmedizin, Berlin, Germany;
8. Institute of Pathology, Universitätsklinikum Frankfurt, Frankfurt, Germany;
9. Institute of Pathology, Universität Würzburg, Würzburg, Germany;
10. Institute of Pathology, Kantonal Hospital, St. Gallen, Switzerland;
11. Medizinische Klinik I, Saarland University Medical School, Homburg/Saar, Germany;
12. Department of Hematology, Asklepios Klinik St. Georg, Hamburg, Germany; and
13. Department of Hematology and Oncology, Georg-August Universität, Göttingen, Germany