1. Department of Medical Oncology, Erasmus Medical Center Rotterdam The Netherlands
2. Service d'Hématologie Clinique, Hospital Henri Mondor Créteil France
3. CSIC, University of Salamanca Salamanca Spain
4. Immunologie Biologique, Hospital Henri Mondor Créteil France
5. Department of Pathology, Karolinska University Hospital Stockholm Sweden
6. Flow Cytometry Unit, National Institutes of Health Bethesda Maryland
7. Department of Hematology, Jiménez Díaz Foundation Madrid Spain
8. Center for Cancer Research, National Institutes of Health Bethesda Maryland