1. Department of Internal Medicine, Hematology and Oncology, University Hospital Brno, Brno, Czech Republic
2. Institute of Hematology and Blood Transfusion, Prague, Czech Republic
3. Hematology and Oncology Department, University Hospital Pilsen, Pilsen, Czech Republic
4. Department of Hemato-Oncology, University Hospital Ostrava, Ostrava, Czech Republic
5. Department of Internal Medicine and Hematology, University Hospital Kralovske Vinohrady, Prague, Czech Republic
6. Department of Hemato-Oncology, University Hospital Olomouc, Olomouc, Czech Republic
7. The 4th Department of Internal Medicine – Hematology, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic
8. Faculty of Science, Masaryk University, Brno, Czech Republic
9. Institute of Biostatistics and Analyses, Ltd, Brno, Czech Republic