1 Council for the Public Health and the Problems of Demography, Chasovata St., 7-40, Moscow 125319, Russia Department of Integrated Prevention Programs, National Research Center for Preventive Medicine of the Ministry of Healthcare of the Russian Federation, 10, Petroverigskiy lane, Moscow 101000, Russia.
2 Laboratory of Monitoring of Destabilization Risks, National Research University Higher School of Economics, 20 Myasnitskaya, Moscow 101000, Russia International Laboratory of Political Demography, Russian Presidential Academy of National Economy and Public Administration, 82/5, Prospect Vernadskogo, Moscow 119571, Russia akorotayev@gmail.com.