1. Leibniz-Institut für Polymerforschung Dresden, Hohe Straße 6, 01069 Dresden, Germany
2. Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Łódź, Poland
3. Technische Universität Dresden, 01062 Dresden, Germany
4. Department Chemistry and Polymer Science, Stellenbosch University, 7602 Matieland, South Africa