B.V. Gurkovskiy - Junior Research Scientist, P.K. Anokhin Institute of Normal Physiology, Moscow, Russia; Post-graduate Student, National Research Nuclear University «MEPhI», Moscow, Russia. E-mail: boris.gurkovskiy@gmail.com B.V. Zhuravlev - Dr.Sc. (Med.), Professor, P.K. Anokhin Institute of Normal Physiology, Moscow, Russia. E-mail: b.zhuravlev@nphys.ru N.Yu. Trifonova - Junior Research Scientist, P.K. Anokhin Institute of Normal Physiology, Moscow, Russia. E-mail: natrish@bk.ru A.B. Simakov - Ph.D. (Eng.), Head of Laboratory, National Research Nuclear University «MEPhI», Moscow, Russia. E-mail: absimakov@mephi.ru