1. University of HamburgInstitute of Physical ChemistryMartin‐Luther‐King‐Platz 6 Hamburg 20146 Germany
2. Helmholtz‐Zentrum GeesthachtInstitute of Polymer ResearchMax‐Planck‐Str. 1 Geesthacht 21502 Germany
3. University of GroningenMacromolecular Chemistry and New Polymeric MaterialsZernike Institute for Advanced Materials Nijenborgh 4, 9747 AG Groningen The Netherlands