1. Department of Experimental Immunology and
2. Department of Hematology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
3. Celgene, San Francisco, CA;
4. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA;
5. Department of Hematology, Hospital Universitario Virgen del Rocío, Seville, Spain;
6. Department of Hematology, Institut Gustave Roussy, Villejuif, France;
7. Department of Hematology, University Hospital, Cologne, Germany;
8. Sarah Cannon Research Institute/Tennessee Oncology, Nashville, TN;
9. Orbis Medisch Centrum, Sittard, The Netherlands; and
10. Lymphoma and Myeloma Center Amsterdam, The Netherlands