1. First Department of Internal Medicine, Propaedeutic, Haematology Clinical Trial Unit Laikon General Hospital, National and Kapodistrian University of Athens Athens Greece
2. Second Department of Internal Medicine, Propaedeutic, Hematology Unit University General Hospital “Attikon”, National and Kapodistrian University of Athens Athens Greece
3. Department of Hematology Papanikolaou Hospital Thessaloniki Greece
4. Department of Hematology Theagenion Cancer Hospital Thessaloniki Greece
5. Department of Hematology Aghios Savvas Anticancer Hospital Athens Greece
6. Department of Hematology University of Crete Iraklion Crete Greece
7. Hematology Department Papageorgiou Hospital Thessaloniki Greece
8. Department of Haematology and Bone Marrow Transplantation Laikon General Hospital, National and Kapodistrian University of Athens Athens Greece
9. Department of Hematology and Lymphoma Evangelismos General Hospital Athens Greece
10. Department of Hematology Democritus University of Trace Alexandroupolis Greece
11. Second Department of Internal Medicine Ippokrateion General Hospital Athens Greece
12. Department of Clinical Hematology “G. Gennimatas” General Hospital Athens Greece
13. Forth Department of Medicine Faculty of Medicine Aristotle University of Thessaloniki Hippokration Hospital Thessaloniki Greece
14. Department of Therapeutics National and Kapodistrian University of Athens Alexandra Hospital Athens Greece
15. Department of Hematology Athens Medical Center Athens Greece
16. General Hospital of Kalamata Kalamata Greece
17. Department of Hematology Faculty of Medicine School of Health Sciences University of Ioannina Ioannina Greece
18. Department of Hematology 424 Army Hospital Thessaloniki Greece
19. Department of Hematology Chania General Hospital Chania Greece
20. Department of Hematology Metropolitan Hospital N. Faliron Athens Greece
21. Department of Hematology 401 Army Hospital Athens Greece
22. Hematology Unit 1st Department of Internal Medicine Aristotle University of Thessaloniki AHEPA Hospital Thessaloniki Greece
23. Department of Hematology Henry Dynant Hospital Athens Greece