1. Department of Haematology; University Hospitals Leuven; Leuven Belgium
2. Department of Microbiology and Immunology; Laboratory of Experimental Transplantation; KU Leuven; Leuven Belgium
3. CHU de Liège; University of Liège; Liège Belgium
4. UZ Gent; Gent Belgium
5. AZ Groeninge; Kortrijk Belgium
6. ZNA; Antwerpen Belgium
7. Grand Hôpital de Charleroi; Charleroi Belgium
8. UCL Saint Luc; Bruxelles Belgium
9. CHU UCL Namur (Godinne); Université catholique de Louvain; Yvoir Belgium
10. Jessa Ziekenhuis; Hasselt Belgium
11. Hôpital Erasme; Bruxelles Belgium
12. Novartis Pharma NV/SA; Vilvoorde Belgium