1. Department of Hematology, CHU of Nancy, Vandoeuvre-lès-Nancy, France;
2. Department of Hematology, Hospital Saint-Louis APHP, University of Paris VII, Paris, France;
3. Department of Biolofical Hematology, CHU of Dijon, Dijon, France;
4. Department of Hematology, Hospital Cochin APHP, University of Paris VI, Paris, France;
5. Department of Hematology, Hospital Center of Chambéry, Chambéry, France;
6. Department of Hematology, Hospital Purpan, Toulouse, France;
7. Department of Hematology, Clinic of Pont de Chaume, Montauban, France;
8. Department of Hematology, Polyclinic Bordeaux Nord Aquitaine, Bordeaux, France;
9. Department of Hematology, Western Cancer Institute, Nantes, France;
10. Department of Hematology, CHU of Caen, Caen, France;
11. Department of Hematology, Hospital Henri Mondor, Créteil, France;
12. Roche, Boulogne-Billancourt, France;
13. Department of Hematology, Civil Hospices of Lyon, University Claude Bernard Lyon-1, Pierre Bénite, France