[1] Max Delbruck Ctr Mol Med, Dept Tumor Genet & Immunogenet, D-13092 Berlin, Germany
[2] Canc Res UK, Transcript Lab, London Res Inst, London WC2A 3PX, England
[3] GSF Munich, Natl Res Ctr Environm & Hlth, Inst Mol Immunol, D-81377 Munich, Germany
[4] Univ Marburg, Inst Pharmacol & Toxicol, D-35033 Marburg, Germany