G.V. Gradoselskaya – Ph.D.(Soc.), Leading Research Scientist, HSE (Moscow)

E-mail: mss981009@mail.ru

T.E. Shcheglova – Trainee-researcher, HSE (Moscow)

E-mail: teshcheglova@gmail.com

I.A. Karpov – Junior Research Scientist, HSE (Moscow) E-mail: karpovilia@gmail.com