1. State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, P. R. China
2. Institute of Physical Chemistry, University of Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany
3. Institute of Physics, University of Rostock, Albert-Einstein-Straße 23, 18059 Rostock, Germany
4. Pidstryhach Institute for Applied Problems of Mechanics and Mathematics of NAS of Ukraine, Naukowa str. 3b, 79060 Lviv, Ukraine
5. Department “Life, Light & Matter”, University of Rostock, Albert-Einstein-Strasse 25, 18059 Rostock, Germany
6. Department of Chemistry, Swansea University, Singleton Park, Swansea SA2 8PP, U.K.