1. Division of Haematology and Oncology; Innsbruck Medical University; Innsbruck Austria
2. Haematology Department; Hôpital Saint Eloi; Montpellier France
3. Department of Haematology; University of Crete School of Medicine; University Hospital of Heraklion; Crete Greece
4. Department of Haematology; A-Z Sint-Jan; Bruges-Oostende Belgium
5. Hôpital du Haut Lévèque; University of Bordeaux; Pessac France
6. AHEPA University General Hospital; Medical Propedeutic Department of Internal Medicine; Aristotle University of Thessaloniki; Thessaloniki Greece
7. Department of Haematology; University Hospitals Leuven; Leuven Belgium
8. 3rd Medical Faculty; Charles University; Prague Czech Republic
9. Section of Haematology; Sahlgrenska University Hospital; Gothenburg Sweden
10. Center for Observational Research; Uxbridge UK
11. Biostatistics; LB Biostatistics; London UK
12. International Medical Development and Research; Amgen (Europe) GmbH; Zug Switzerland