1. Ioffe Institute, 194021 St. Petersburg, Russia
2. Russian Research Center of Applied Chemistry, 193232 St. Petersburg, Russia
3. Institute of Macromolecular Compounds, Russian Academy of Sciences, 199004 St. Petersburg, Russia
4. Physical Faculty, St. Petersburg State University, 198504 St. Petersburg, Russia
5. Petersburg Nuclear Physics Institute Named by B.P. Konstantinov of National Research Center “Kurchatov Institute”, 188300 Gatchina, Russia
6. Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russia