Zh. M. Beisenbaeva
Peoples' Friendship University of Russia, 10/2 Miklukho-Maklaya Str., Moscow, 117198
Russian Federation

full-time postgraduate student of the сhair of Public Health, Health and Hygiene of the Medical Institute,

O. E. Konovalov
N.I. Pirogov Russian National Research Medical University
Russian Federation

MD, Professor of Chair of Public Health, Health and Hygiene of the Medical Institute Peoples’ Friendship University of Russia, 1 Ostrovityanova Str., Moscow, 117997;

Professor of the Department of Public Health and Health, Health Economics