1. Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
2. III. Institute of Physics − Biophysics, Georg August University, 37077 Göttingen, Germany
3. Cluster of Excellence ‘Multiscale Bioimaging: from Molecular Machines to Networks of Excitable Cells’ (MBExC), Georg August University, Göttingen, Germany
4. Oden Institute for Computational Engineering and Sciences, University of Texas at Austin, Austin, Texas 78712, United States