Institution: | (1) Institute of Immunology and Genetics, German Cancer Research Center, D-6900 Heidelberg, Germany;(2) Department of Human Genetics, Yale University School of Medicine, 06510 New Haven, Connecticut;(3) European Molecular Biology Laboratory, D-6900 Heidelberg, Germany;(4) Institut für Zellbiologie, Universitätsklinikum, Essen, D-4300 Essen, Germany |