V.V. Andrianov – Ph.D.(Biol.), Senior Research Scientist, Kazan Federal University (Kazan),  Zavoisky Physical-Technical Institute (Kazan)

E-mail: slava_snail@yahoo.com

Kh.L. Gainutdinov – Dr.Sc. (Biol.), Senior Research Scientist, Kazan Federal University (Kazan),  Zavoisky Physical-Technical Institute (Kazan)

E-mail: kh_gainutdinov@mail.ru

I.A. Lavrov – Ph.D. (Biol.), Leading Research Scientist, Kazan Federal University (Kazan)

E-mail: igor.lavrov@gmail.com