1. Department of Oncology, Hematology and Palliative Care, Wilhelminenspital, Vienna, Austria;
2. Department of Hematology, Erasmus Medical Center, Rotterdam, The Netherlands;
3. Institute of Cancer Research, Royal Marsden Hospital, London, United Kingdom;
4. Department of Hematology, Institut d'Investigacions Biomèdiques August Pi i Sunyer, Hospital Clinic, Barcelona, Spain;
5. Divisione di Ematologia dell'Università di Torino, Azienda Ospedaliera S. Giovanni Battista, Ospedale Molinette, Turin, Italy;
6. Institute of Hematology and Medical Oncology, Seragnoli, Bologna, Italy;
7. Haemato-Oncology Unit, Royal Marsden Hospital, Surrey, United Kingdom;
8. Hematology Service, University Hospital La Fe, Valencia, Spain;
9. Department of Hematology, University Hospital, Leuven, Belgium;
10. Department of Clinical Therapeutics, University of Athens School of Medicine, Athens, Greece;
11. Universitätsklinik Würzburg, Medizinische Klinik und Poliklinik II, Würzburg, Germany;
12. Service d'Hématologie, Centre Hospitalier Universitaire, Lille, France;
13. Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany;
14. University Hospital, Nantes, France;
15. Karolinska Institute, Stockholm, Sweden;
16. Department of Hematology, Center Lillebaelt, University of Southern Denmark, Odense, Denmark;
17. Clinica Universidad de Navarra, Centro Investigaciones Medicas Aplicada, Pamplona, Spain;
18. Department of Hemato-oncology, University of Ostrava, Ostrava, Czech Republic;
19. University of Giessen, Giessen, Germany