1. Department of Tumor Biology, University Medical Center Hamburg-Eppendorf, D-201246 Hamburg, Germany.
2. Klinik für Senologie, Kliniken Essen-Mitte, D-45136 Essen, Germany.
3. Institute of Human Genetics, Medical University of Graz, A-8010 Graz, Austria.
4. Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, D-20246 Hamburg, Germany.
5. Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, D-20246 Hamburg, Germany.
6. Institute of Human Genetics, Technical University of Munich, D-81675 Munich, Germany.
7. Department of Transfusion Medicine, University Medical Center Hamburg-Eppendorf, D-20246 Hamburg, Germany.