1. Clinic of Hematology and Blood Transfusion, University Hospital, Faculty of Medicine, Medical School Comenius University; Slovak Medical University; Bratislava Slovakia
2. Clinical Section, Institute of Hematology and Blood Transfusion, Institute of Clinical and Experimental Hematology; Charles University; Prague Czechia
3. Clinic for Hematology Clinical Center of Serbia; Medical Faculty University of Belgrade; Belgrade Serbia
4. Department of Clinical Hematology; Masaryk University Hospital; Brno Czechia
5. Department of Hematology; Dubrava University Hospital, University of Zagreb; Medical School; Zagreb Croatia
6. Department of Hematology; Somogy County Mór Kaposi General Hospital; Kaposvár Hungary
7. Department of Hematology, Oncology and Palliative Medicine; Johannes Wesling Academic Medical Center; Minden Germany
8. University Clinic for Hematology, Oncology and Palliative Medicine, Johannes Wesling Medical Center Minden; University of Bochum; Bochum Germany
9. Department of Hematology, Blood Neoplasms and Bone Marrow Transplantation; Wróclaw Medical University; Wróclaw Poland
10. Department of Hematology and Transplantology; Medical University Hospital; Gdaňsk Poland
11. Department of Medical Genetics; State Institution National Research Center for Radiation Medicine of National Academy of Medical Sciences of Ukraine; Kyiv Ukraine
12. Provita Diagnosis and Treatment Center; Bucharest Romania
13. Hematology Oncology Center Munich; Ludwig-Maximilian’s University; Munich Germany
14. Department of Cancer Prevention, Public School of Health; Silesian Medical University; Katowice Poland
15. Department of Hematology; University Clinical Center; Ljubljana Slovenia
16. Division of Hematology; University Clinic of Medicine; Kantonsspital Aarau Switzerland
17. Institute of Pathology; University of Cologne; Cologne Germany
18. Department of Internal Medicine V, Hematology & Oncology; Innsbruck Medical University; Innsbruck Austria
19. Medical Clinic 3, Oncology, Hematology and Rheumatology; University Hospital of Bonn; Bonn Germany
20. Division of Hematology and Blood Coagulation, Department of Internal Medicine I; Medical University of Vienna Hospital; Vienna Austria