1. Biology FacultyLomonosov Moscow State University Moscow 119992 Russia
2. Institute of Physics and Mathematics, Astrakhan State University Astrakhan 414056 Russia
3. Scientific and Technological Center of Unique Instrumentation of the Russian Academy of Sciences Moscow 117342 Russia
4. Peoples' Friendship University of Russia (RUDN University) Moscow 117198 Russia
5. Keldysh Institute of Applied Mathematics RAS Moscow 125047 Russia