1. Institute of Biochemistry and Molecular Biology, ZBMZ, Faculty of Medicine, University of Freiburg, Freiburg, Germany
2. Faculty of Biology, University of Freiburg, Freiburg, Germany
3. Department of Cell Biology, University of Groningen, University Medical Center Groningen, AV Groningen, The Netherlands
4. CIBSS—Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany