1. Institute of Solid State Physics, Graz University of Technology, Petersgasse 16, 8010 Graz, Austria
2. Max Planck Institute for Polymer Research, 55128 Mainz, Germany
3. Laboratoire de Chimie des Polymères, Université Libre de Bruxelles (ULB), 1050 Bruxelles, Belgium
4. Laboratory for Chemistry of Novel Materials, University of Mons, 7000 Mons, Belgium
5. Dipartimento di Chimica “G. Ciamician”, University Bologna, 40126 Bologna, Italy
6. International Solvay Institutes of Physics and Chemistry, Université Libre de Bruxelles, 1050 Bruxelles, Belgium