**Author details**

Ivan M. Vikhlyantsev1,2\* and Zoya A. Podlubnaya1†

\*Address all correspondence to: ivanvikhlyantsev@gmail.com

1 Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Russia

2 Pushchino State Institute of Natural Science, Pushchino, Russia

† Zoya Podlubnaya died on March 26, 2018
