1. Department of Haematology; Radboud University Medical Centre; Nijmegen The Netherlands
2. Epidemiology and Cancer Statistics Group; University of York; York UK
3. Department of Haematology and Oncology; Georg-August-University of Göttingen; Göttingen Germany
4. Service d'Hématologie; Hôpital Saint-Louis; Assistance Publique des Hôpitaux de Paris (AP-HP) and Université Paris 7; Paris France
5. Department of Medicine; Divison of Haematology; University of Patras Medical School; Patras Greece
6. Department of Haematology; Hospital Universitario La Fe; Valencia Spain
7. Department of Medicine; Division of Haematology; Karolinska Institutet; Stockholm Sweden
8. Department of Clinical Haematology; Institute of Haematology & Blood Transfusion; Praha Czech Republic
9. Department Of Haematology, Oncology and Clinical Immunology; Universitätsklinik Düsseldorf; Düsseldorf Germany
10. Department of Internal Medicine V (Haematology and Oncology); Innsbruck Medical University; Innsbruck Austria
11. Center of Hematology and Bone Marrow Transplantation; Fundeni Clinical Institute; Bucharest Romania
12. Department of Haematology Oncology; Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo; University of Pavia; Pavia Italy
13. Department of Haematology; Aarhus University Hospital; Aarhus Denmark
14. Serviço d'Hematologia - Instituto Português de Oncologia de Lisboa; Lisbon Portugal
15. Department of Haematology, Oncology and Internal Medicine; Warszawa Medical University; Warszawa Poland
16. Service d'Hématologie; Centre Hospitalier d'Avignon; Avignon France
17. Service d'Hématologie; Centre Hospitalier Universtaire Brabois Vandoeuvre; Nancy France
18. Service d'Hématologie; Centre Hospitalier de Perpignan; Perpignan France
19. Service d'Hématologie; Centre Hospitalier Universitaire de Purpan; Toulouse France
20. Servicio d'Hematología; Servicio de Salud del Principado de Asturias; Oviedo Spain
21. St. James's Institute of Oncology; Leeds Teaching Hospitals; Leeds UK
22. Department of Tumor Immunology - Nijmegen; Institute for Molecular Life Sciences; Radboud university medical center; Nijmegen The Netherlands