1. Department of Chemistry and Physics, University of Southern Denmark, DK-5230 Odense M, Denmark, MEMPHYS, Center for Biomembrane Physics, University of Southern Denmark, DK-5230 Odense M, Denmark, Institute of Pure and Applied Chemistry, University of Oldenburg, D-26129 Oldenburg, Germany, Kekule-Institute, University of Bonn, D-53121 Bonn, Germany, and Mads Clausen Institute, University of Southern Denmark, DK-6400 Soenderborg, Denmark