1. Second Department of Internal Medicine and Research Unit; University General Hospital “Attikon”; Athens Greece
2. Department of Biochemistry and Molecular Biology; University of Athens; Athens Greece
3. Department of Hematology, Democritus University of Thrace Medical School; University Hospital of Alexandroupolis; Alexandroupolis Greece
4. The Hellenic (Greek) MDS Study Group; Athens Greece
5. General University Hospital of Patras; Patras Greece
6. General Hospital of Athens ‘G. Gennimatas’; Athens Greece
7. University Hospital of Ioannina; Ioannina Greece
8. Department of Hematology; ‘Metaxa’ Piraeus Cancer Hospital; Piraeus Greece
9. General Hospital of Patras ‘Agios Andreas’; Patras Greece
10. First Department of Internal Medicine; National and Kapodistrian University of Athens; Athens Greece
11. ‘401’ Army General Hospital of Athens; Athens Greece
12. Department of Haematology; National and Kapodistrian University of Athens, Laikon General Hospital; Athens Greece
13. Department of Clinical Therapeutics; National and Kapodistrian University of Athens, School of Medicine; Athens Greece
14. University General Hospital of Larissa; Larissa Greece
15. University General Hospital of Heraklion; Heraklion Greece
16. First Propaedeutic Department of Internal Medicine; National and Kapodistrian University of Athens; Athens Greece