1. Department of Biology/Chemistry, Cellular Communication Laboratory, University of Osnabrück, Osnabrück, Germany 1
2. Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel 2
3. Department of Biomedical Sciences of Cells and Systems, University of Groningen, University Medical Center Groningen, Groningen, Netherlands 3
4. Center of Cellular Nanoanalytics Osnabrück, Osnabrück, Germany 4
5. Department of Biology/Chemistry, Molecular Membrane Biology Group, University of Osnabrück, Osnabrück, Germany 5