1. Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva cesta 5, SI‐1001 Ljubljana, Slovenia
2. Polymer Engineering, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, H‐1111 Budapest, Hungary
3. Institut für Makromolekulare Chemie und Freiburger Materialforschungszentrum, Albert‐Ludwigs‐Universität Freiburg, Stefan‐Meier‐Strasse 31, D‐79104 Freiburg, Germany