1. Department of Physics and Biophysics Interdepartmental Group, University of Guelph, Guelph, Ontario N1G 2W1, Canada
2. Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Nara 630-0192, Japan
3. Experimental Molecular Biophysics Group, Department of Physics, Freie Universität Berlin, D-14195 Berlin, Germany
4. University of Bucharest, Faculty of Physics, Atomiştilor 405, Măgurele 077125, Romania
5. Forschungszentrum Jülich, Institute for Neuroscience and Medicine and Institute for Advanced Simulations (IAS-5/INM-9), Computational Biomedicine, Wilhelm-Johnen Straße, 52428 Jülich, Germany