1. Max-Planck Institute for Polymer Research, and Institute of Molecular Biology (IMB), D-55128 Mainz, Germany
2. Kirchhoff Institute for Physics (KIP), Interdisciplinary Center for Scientific Computing (IWR), and Institute of Pharmacy and Molecular Biotechnology (IPMB), University Heidelberg, D-69120 Heidelberg, Germany
3. Institute for Photonics and ICT (IPI), University of Applied Sciences (FH Graubünden), CH-7000 Chur, Switzerland