N. N. Omelchuk - Ph.D. (Biol.), Professor, Head of department, Department of clinical laboratory diagnostics, Medic's Retraining Faculty, Russian University of Peoples Friendship (Moscow). E-mail: kkld-fpkmr@mail.ru
R. Ya. Tataritntseva - Dr.Sc. (Med.), Professor, Head of department, Department of clinical physiology and non-medicamental methods of therapy, Medic's Retraining Faculty, Russian University of Peoples Friendship (Moscow). E-mail: kkf-fpkmr@mail.ru
D. S. Stasytyte-Buneviciene - Ph.D. (Med.), Lecturer of department, Department of clinical physiology and non-medicamental methods of therapy, Medic's Retraining Faculty, Russian University of Peoples Friendship (Moscow). E-mail: kkf-fpkmr@mail.ru