1. Experimental
Physics II, Department of Physics, University of Bayreuth, 95440 Bayreuth, Germany
2. Bayreuth
Institute of Macromolecular Research (BIMF), University of Bayreuth, 95440 Bayreuth, Germany
3. Cavendish
Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, United Kingdom
4. Macromolecular
Chemistry I, University of Bayreuth, 95440 Bayreuth, Germany