1. Theoretical Molecular Biophysics, Department of Physics, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany
2. Laboratory of Biomolecular Research, Department of Biology and Chemistry, Paul Scherrer Institut, ETH Zürich, 5303 Villigen-PSI, Switzerland
3. Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
4. Faculty of Physics, University of Bucharest, Strada Atomiştilor Nr. 405, Măgurele 077125, Romania
5. Computational Biomedicine, IAS-5/INM-9, Institute for Neuroscience and Medicine and Institute for Advanced Simulations, Forschungszentrum Jülich, 52425 Jülich, Germany