1. Department of Theoretical Physics, Tomsk State University, Pr. Lenina 36, Tomsk 634050, Russia
2. Department of Physics, Siberian State Medical University, 2, Moscowski Trakt St., Tomsk, 634050, Russia
3. Institute of Cell Biophysics, Russian Academy of Sciences, Ul. Institutskaya 3, Pushchino, Moscow Region 142290, Russia