1. Department of Hematology, University Hospital, Ghent University, Ghent, Belgium
2. Department of Hematology, University Hospital, University of Antwerp, Antwerp, Belgium
3. Department of Hematology, Ziekenhuis Netwerk, Antwerpen, Belgium
4. Department of Hematology, AZ Delta, Roeselare, Belgium
5. Department of Hematology, University Hospital, University of Liège, Liège, Belgium
6. Department of Hematology, University Hospital, Vrije Universiteit Brussel, Brussels, Belgium
7. Department of Hematology, University Hospital Namur, Université Catholique de Louvain, Belgium
8. Department of Hematology, Jules Bordet Institute, Université Libre de Bruxelles, Brussels, Belgium
9. Department of Hematology, University Hospital, KU Leuven, Leuven, Belgium
10. Department of Hematology, University Hospital Saint Luc, Univeristé Catholique de Louvain, Brussels, Belgium
11. Department of Hematology, AZ Sint-Jan, Bruges, Belgium
12. Department of Hematology, CH Jolimont, La Louvièvre, Belgium