1. Jagiellonian University Medical College; Cracow Poland
2. 4th Department of Medicine - Haematology; Charles University Hospital Hradec Kralove; Hradec Kralove Czech Republic
3. Hospital Universitario de Salamanca; Salamanca Spain
4. Washington University School of Medicine; Saint Louis MO USA
5. Le Scotte Hospital; Siena Italy
6. Department of Haematology; St John‘s Cancer Centre; Lublin Poland
7. Department of Experimental Haematology; Medical University of Lublin; Lublin Poland
8. Department of Haematology; Medical University of Lodz; Copernicus Memorial Hospital; Łódź Poland
9. Department of Haematology and Bone Marrow Transplantation; Medical University of Lublin; Lublin Poland
10. Department of Haematology, Oncology and Internal Medicine; Warsaw Medical University; Warsaw Poland
11. Department of Haematology; Pomeranian Medical University; Szczecin Poland
12. Haematology Department and Bone Marrow Transplantation Unit; Ankara University Medical School; Ankara Turkey
13. Ospedale A. Perrino, Haemetaology; Brindisi Italy
14. Dept. of Internal Medicine and Haematology; Military Institute of Medicine; Warsaw Poland
15. Weill Cornell Medical College; New York NY USA
16. Department of Haematology; Nicolaus Copernicus Hospital; Torun Poland
17. Department of Medicine; Section of Haematology; Vejle Denmark
18. University Hospital Ostrava and Faculty of Medicine; University of Ostrava; Ostrava Czech Republic
19. Department of Haematology; UZ Leuven; Leuven Belgium
20. Department of Haematology; University of Rzeszów; Rzeszów Poland
21. Seccion Hematologia Adultos; Hospital Italiano de Buenos Aires; Buenos Aires Argentina
22. Norwegian University of Science and Technology; Trondheim Norway
23. Tel Aviv Medical Centre; Tel Aviv Israel
24. Department of Haematology; State Hospital; Cracow Poland
25. Service d‘Hematologie CHU; Hopital de la Miletrie; Poitiers France
26. Ministry of Interior Hospital in Olsztyn with Warmia and Masuria Oncology Centre; Olsztyn Poland
27. Department of Haematology; State Hospital; Opole Poland
28. Massachusetts General Hospital Cancer Center; Harvard Medical School; Boston MA USA
29. Department of Doctoral Studies; School of Public Health in Bytom; Medical University of Silesia; Katowice Poland
30. Maria Sklodowska-Curie Institute - Oncology Centre; Warsaw Poland
31. Division of Hematology and Oncology; Dana-Farber Cancer Institute at St. Elizabeth's Medical Center; Brighton MA USA
32. Rutgers New Jersey Medical School; Newark NJ USA
33. John Theurer Cancer Center at Hackensack University Medical Center; Hackensack NJ USA
34. Dana-Farber Cancer Institute; Harvard Medical School; Boston MA USA