1. N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of Siberian Branch of Russian Academy of Sciences Lavrentiev Avenue 9 Novosibirsk 630090 Russia
2. Enikolopov Institute of Synthetic Polymeric Materials of Russian Academy of Sciences Profsoyuznaya St. 70 Moscow 117393 Russia
3. Faculty of Physics Lomonosov Moscow State University Leninskie Gory 1/62 Moscow 119991 Russia
4. International Tomography Center Institutskaya 3A Novosibirsk 630090 Russia
5. Novosibirsk State University Pirogova 2A Novosibirsk 630090 Russia