1. Department of Clinical Therapeutics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
2. Department of Hematology, Theagenion Cancer Hospital, Thessaloniki, Greece
3. Department of Hematology, Fundeni Clinical Institute, Bucharest, Romania
4. Department of Hematology, Ankara University, Ankara, Turkey
5. Department of Hematology Clinical Hospital Center Zemun, University of Belgrade, Serbia
6. Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
7. Department of Hematology, University Hospital of Alexandroupolis, Alexandroupolis, Greece
8. Clinic of Hematology, University Clinical Center of Serbia, University of Belgrade, Medical Faculty, Belgrade, Serbia
9. Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
10. Grigore T. Popa University of Medicine and Pharmacy, Iasi, Romania
11. Department of Medicine, MedStar Georgetown University Hospital, DC, USA