1. First Department of Medicine Charles University and General University Hospital Prague Czech Republic
2. Department of Hematology and Oncology, Faculty of Medicine Masaryk University and University Hospital Brno Czech Republic
3. Department of Haemato‐Oncology, Faculty of Medicine and Dentistry Palacky University and University Hospital Olomouc Czech Republic
4. 4th Department of Internal Medicine ‐ Hematology, Faculty of Medicine Charles University and University Hospital Hradec Kralove Czech Republic
5. Department of Internal Medicine – Hematology, Third Faculty of Medicine Charles University and University Hospital Kralovske Vinohrady Prague Czech Republic
6. Department of Haemato‐Oncology, Faculty of Medicine Charles University and University Hospital Pilsen Pilsen Czech Republic
7. Department of Hematology Medical Faculty of the Ostrava University and University Hospital Ostrava Czech Republic