| Bj??rn Scheffler | University Hospital Essen, West German Cancer Center, University Duisburg-Essen and the German Cancer Consortium (DKTK) University of Duisburg-Essen |
| Thomas Gr??newald | Institute of Pathology, Germany German Cancer Research Center (DKFZ) |
| Dirk Schadendorf | University Hospital Essen, West German Cancer Center, University Duisburg-Essen and the German Cancer Consortium (DKTK) University of Duisburg-Essen |