1. Department of Clinical Therapeutics; University of Athens School of Medicine; Athens; Greece
2. Department of Hematology and Bone Marrow Transplantation Unit; Evangelismos Hospital; Athens; Greece
3. Department of Hematology; Theagenion Cancer Center; Thessaloniki; Greece
4. Department of Hematology; University Hospital of Ioannina; Ioannina; Greece
5. First Department of Propedeutic and Internal Medicine; University of Athens School of Medicine; Athens; Greece
6. Department of Hematology; Metaxa Cancer Hospital; Piraeus; Greece
7. Department of Hematology; St Savvas Oncology Hospital; Athens; Greece
8. Department of Hematology; General Hospital of Chalkida; Chalkida; Greece
9. Third Department of Internal Medicine; Red Cross Hospital Korgialenio-Benakio; Athens; Greece
10. Department of Hematology; Nicosia General Hospital; Cyprus
11. Department of Hematology; “Georgios Gennimatas” General Hospital; Athens; Greece
12. Department of Hematology; University Hospital of Alexandroupolis; Alexandroupolis; Greece
13. Hematology department; “Amalia Fleming” Hospital; Athens; Greece
14. Department of Internal Medicine, Division of Hematology; University of Patras Medical School; Patras; Greece