1. Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, 01069Dresden, Germany
2. Institute of Physics, University of Silesia, Chorzów, 41-500, Poland
3. Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi110016, India
4. Faculty of Physics, A. Mickiewicz University, Uniwersytetu Poznańskiego 2, 61-614Poznań, Poland
5. Institute for Theoretical Physics, Technische Universität Dresden, Dresden01062, Germany
6. Physical Chemistry of Polymer Materials, Technische Universität Dresden, Dresden01062, Germany