1. Institute for Theoretical Physics, Heidelberg University, Philosophenweg 19, 69120 Heidelberg, Germany
2. BioQuant, Heidelberg University, Im Neuenheimer Feld 267, 69120 Heidelberg, Germany
3. Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB3 0AS, UK
4. Institut Charles Sadron UPR22-CNRS, 67034 Strasbourg, France
5. Institute Theory of Polymers, Leibniz-Institute of Polymer Research, D-01069 Dresden, Germany