| Fran??ois Robert | Institut de recherches cliniques de Montreal (IRCM), Universite de Montreal |
| Yahya Al-Matary | West German Cancer Center, University Hospital Essen, University Duisburg-Essen |
| Michael Heuser | Hannover Medical School |
| Ulrich D??hrsen | West German Cancer Center, University Hospital Essen, University Duisburg-Essen |
| Tarik M??r??y | Institut de recherches cliniques de Montreal (IRCM), University Hospital Dusseldorf, Universite de Montreal |
| Cyrus Khandanpour | West German Cancer Center, University Hospital Essen, University Duisburg-Essen |