1. Department of Biology/Chemistry, University of Osnabrück, Osnabrück, Germany
2. Center of Cellular Nanoanalytics (CellNanOs), University of Osnabrück, Osnabrück, Germany
3. College of Life Sciences, Beijing University of Chemical Technology, Beijing, China
4. Department of Physics, University of Osnabrück, Osnabrück, Germany
5. 3rd Institute of Physics - Biophysics, Georg August University, Göttingen, Germany
6. Cluster of Excellence “Multiscale Bioimaging: from Molecular Machines to Networks of Excitable Cells” (MBExC), Georg August University, Göttingen, Germany