1. Department of Biology/Chemistry, Biochemistry Section University of Osnabrück Osnabrück Germany
2. Department of Biomedical Sciences of Cells and Systems University Medical Center Groningen University of Groningen Groningen The Netherlands
3. Departament de Ciències Experimentals i de la Salut Universitat Pompeu Farba Barcelona Spain
4. Center of Cellular Nanoanalytic Osnabrück (CellNanOs) University of Osnabrück Osnabrück Germany
5. Department of Biology/Chemistry Molecular Membrane Biology Section University of Osnabrück Osnabrück Germany