A.H.A.W. Azaraksh - Post-graduate Student, Department of Hospital Therapy, Peoples' Friendship University of Russia, Moscow E-mail: hwakili@mail.ru G.G. Ivanov - Dr.Sc. (Med.), Professor, Department of Hospital Therapy, Peoples' Friendship University of Russia, Moscow E-mail:hwakili@mail.ru A.E. Severin - Dr.Sc. (Med.), Professor, Department of Physiology, Peoples' Friendship University of Russia, Moscow E-mail: aesever@mail.ru I.V. Kastyro - Ph.D. (Med.), Assistant, Department of Physiology, Peoples' Friendship University of Russia, Moscow E-mail: ikastyro@gmail.com