1. Pharmaceutical Biotechnology, Department of Pharmacy, Ludwig-Maximilians-Universität (LMU) Munich, 81377 Munich, Germany
2. Center for NanoScience (CeNS), LMU Munich, 80799 Munich, Germany
3. Department of Chemistry, Davidson College, Davidson, North Carolina 28035, United States
4. Institute of Organic Chemistry and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany
5. Faculty of Physics, LMU Munich, 80539 Munich, Germany
6. Institute for Macromolecular Chemistry, University Freiburg, Stefan-Meier-Str. 31, 79104 Freiburg im Breisgau, Germany