| Atta J | Department of Hematology, J. W. Goethe-University Hospital, Frankfurt, Germany. atta@em.uni-frankfurt.de |
| Braun J | Rheumazentrum Ruhrgebiet, St. Josefs-Krankenhaus, Herne, Germany. |
| Busse A | Department of Medicine III, Charite, Campus Benjamin Franklin, Berlin, Germany. |
| Dohler B | Department of Transplantation Immunology, Institute of Immunology, University of Heidelberg, Heidelberg, Germany. |
| Engert A | Department of Internal Medicine I, University of Cologne, Cologne, Germany. |
| Greb A | Department of Internal Medicine I, University of Cologne, Cologne, Germany. |
| Huhn D | Private Practice for Hematology, Oncology and Infectious Diseases, Bremen, Germany. |
| Keilholz U | Department of Medicine III, Charite, Campus Benjamin Franklin, Berlin, Germany. |
| Kiltz U | Rheumazentrum Ruhrgebiet, St. Josefs-Krankenhaus, Herne, Germany. kiltz@rheumazentrum-ruhrgbiet.de |
| Loeffler M | Saarland University Medical School, Homburg, Germany. |
| Martin H | Department of Hematology, J. W. Goethe-University Hospital, Frankfurt, Germany. |
| Mey UJ | Department of Internal Medicine I, University of Bonn, Germany. mey@uni-bonn.de |
| Nowrousian MR | Department of Internal Medicine (Cancer Research), West German Cancer Center, University of Duisburg-Essen Medical School, Essen, Germany. |
| Opelz G | Department of Transplantation Immunology, Institute of Immunology, University of Heidelberg, Heidelberg, Germany. gerhard.opelz@med.uni-heidelberg.de |
| Pfreundschuh M | Hematology and Oncology, University Hospital Gottingen, Germany. |
| Schmidt-Wolf IG | Department of Internal Medicine I, University of Bonn, Germany. |
| Schutt P | Department of Internal Medicine (Cancer Research), West German Cancer Center, University of Duisburg-Essen Medical School, Essen, Germany. |
| Trumper L | Hematology and Oncology, University Hospital Gottingen, Germany. |
| Weiss R | Private Practice for Hematology, Oncology and Infectious Diseases, Bremen, Germany. |