1. Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France
2. General Hospital Evangelismos, Athens, Greece
3. University General Hospital of Evros-Alexandroupolis District, Alexandroupolis, Greece
4. Department of Haematology, Zealand University Hospital, Roskilde, Denmark
5. Hematology Division, ASST Spedali Civili Brescia, Brescia, Italy
6. Hematology Department, Insitut Català d’Oncologia and Institut Josep Carreras, Hospital Germans Trias i Pujol, Barcelona, Spain
7. Hematology Department, University Hospital, Nantes, France
8. Amgen Inc., Thousand Oaks, CA, USA
9. Section of Hematology and Medical Oncology, Department of Clinical Therapeutics, School of Medicine, National and Kapodistrian University of Athens, Alexandra Hospital, Athens, Greece