I.V. Radysh – Dr. Sc. (Med.), Professor, Аcademician REA, Head of the Department Management  of nursing activities, Medical Institute, Peoples' Friendship University of Russia (Moscow, Russia)  E-mail: iradysh@mail.ru

V.I. Torshin – Dr. Sc. (Biol.), Professor, Academician REA, Head of the Department of Normal Physiology,

Medical Institute, Peoples' Friendship University of Russia (Moscow, Russia)

E-mail: torshin-vi@rudn.ru

B.I. Schigol – Post-graduate Student, Department of Normal Physiology, 

Medical Institute, Peoples' Friendship University of Russia (Moscow, Russia)

E-mail: shchigol-bi@rudn.ru

N.V. Ermakova – Dr. Sc. (Med.), Professor, Academician REA, Department of Normal Physiology,  Medical Institute, Peoples' Friendship University of Russia (Moscow, Russia)

E-mail: n.v.ermakova@mail.ru

E.V. Binenko – Senior Lecturer, 

Department Management of nursing activities, Medical Institute, 

Peoples' Friendship University of Russia (Moscow, Russia)

E-mail: binenko-ev@rudn.ru