I.N. Shurygina - Assistant, Department of Gerontology, Faculty of Continuing Medical Education, Peoples' Friendship University of Russia (Moscow) A.V. Kutenev - Ph.D. (Med.), Associate Professor, Department of Gerontology, Faculty of Continuing Medi-cal Education, Peoples' Friendship University of Russia (Moscow) . E-mail: a_kutenev@mail.ru B.B. Radysh - Dr.Sc. (Med.), Head Department of Gerontology, Peoples - Friendship University of Russia (Moscow). E-mail: bobrat@rambler.ru A.P. Volyanskaya - Assistant, Department of Gerontology, Faculty of Continuing Medical Education, Peoples' Friendship University of Russia (Moscow). E-mail: bobrat@rambler.ru P.U. Goytemirova - Assistant, Department of Gerontology, Faculty of Continuing Medical Education, Peoples' Friendship University of Russia (Moscow). E-mail: bobrat@rambler.ru Z.V. Boyko - Ph.D. (Psych.), Associate Professor, Department of Management of Nursing Activities, Peoples' Friendship University of Russia (Moscow). E-mail: boikozv@yandex.ru N.V. Ermakova - Dr.Sc. (Med.), Professor, Academician REA, Department of Normal Physiology, Peoples' Friendship University of Russia (Moscow). E-mail: n.v.ermakova@mail.ru