1. Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences, Profsoyuznaya street 70, 117393 Moscow, Russia
2. Faculty of Physics & International Laser Center, Lomonosov Moscow State University, 119991 Moscow, Russia
3. Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh, Groningen 4 9747 AG, The Netherlands
4. Department
of Organic Chemistry III/Macromolecular Chemistry, Ulm University, Albert-Einstein-Allee
11, 89081 Ulm, Germany
5. National Research Centre “Kurchatov Institute”, Akademika
Kurchatova pl. 1, Moscow 123182, Russia
6. Moscow Institute of Physics and Technology, 4 Institutsky
line, 141700 Dolgoprudny, Moscow Region, Russian Federation