V. G. Semenova
Research Institute for Healthcare Organization and Medical Management of Moscow Healthcare Department; Institute for Demographic Research – Branch of the Federal Center of Theoretical and Applied Sociology of the Russian Academy of Sciences
Russian Federation

Victoria G. Semyonova – ScD in Economics, Researcher of Demography Division; Chief Researcher

9, Sharikopodshipnikovskaya ul., 115088, Moscow, Russian Federation; 
6, bldg. 1, Fotieva ul., 119333, Moscow, Russian Federation

A. E. Ivanova
Research Institute for Healthcare Organization and Medical Management of Moscow Healthcare Department; Institute for Demographic Research – Branch of the Federal Center of Theoretical and Applied Sociology of the Russian Academy of Sciences
Russian Federation

Alla E. Ivanova –ScD in Economics, Professor, Head of Demography Division; Head of the Department of Health and Self-Preservation Behavior

9, Sharikopodshipnikovskaya ul., 115088, Moscow, Russian Federation; 
6, bldg. 1, Fotieva ul., 119333, Moscow, Russian Federation