1. Department of Hematology, Cellular Therapy and Hemostaseology, University Hospital Leipzig, Leipzig, Germany;
2. German MDS Study Group (D-MDS), Leipzig, Germany;
3. The European Myelodysplastic Syndromes Cooperative Group (EMSCO), Leipzig, Germany;
4. Groupe Francophone des Myélodysplasies, Paris, France; and
5. Hématologie Clinique, Hôpital Saint-Louis, Paris, France