1. Department of Haematology and Bone Marrow Transplantation National and Kapodistrian University of Athens Laikon General Hospital Athens Greece
2. Department of Haematology and Lymphoma Evangelismos General Hospital Athens Greece
3. Department of Adult Hematology & Stem Cell Transplantation Lymphoma Program King Fahad Specialist Hospital Dammam Saudi Arabia
4. Department of Haematology Nicosia General Hospital Nicosia Cyprus
5. Rabin Medical Center Tel Aviv University Tel Aviv Israel
6. Hematology Department Koç University School of Medicine Istanbul Turkey
7. Department of Haematology Faculty of Medicine School of Health Sciences University of Ioannina Ioannina Greece
8. Third Department of Internal Medicine National and Kapodistrian University of Athens Sotiria Hospital Athens Greece
9. Department of Haematology University of Crete Iraklion Greece
10. Department of Haematology Theagenion Anticancer General Hospital Thessaloniki Greece
11. Department of Haematology Sismanoglion General Hospital Athens Greece
12. Department of Haematology Democritus University of Thrace Alexandroupolis Greece
13. Department of Therapeutics National and Kapodistrian University of Athens Alexandra Hospital Athens Greece
14. Bnai Zion Medical Center Haifa Israel
15. Rambam Medical Center Haifa Israel
16. Department of Haematology Athens Medical Center Psychikon Branch Athens Greece
17. Second Propaedeutic Department of Internal Medicine National and Kapodistrian University of Athens Attikon Hospital Athens Greece