I. S. Lapshina
Kaluga State University Named after K.E. Tsiolkovsky
Russian Federation

Irina S. Lapshina, Candidate of Medical Sciences, Associate Professor of Internal Medicine Department of Medical Institute

26 Stepana Razina St., Kaluga, 248023

E. B. Tsybikova
Russian Research Institute of Health, Russian Ministry of Health
Russian Federation

Erzheni B. Tsybikova, Doctor of Medical Sciences,
Chief Researcher of Public Health and Demography Department

11 Dobrolyubova St., Moscow, 127254

V. A. Pimenova
Kaluga State University Named after K.E. Tsiolkovsky
Russian Federation

Viktoriya A. Pimenova, Student of Medical Institute

26 Stepana Razina St., Kaluga, 248023

A. Yu. Ulitina
Kaluga State University Named after K.E. Tsiolkovsky
Russian Federation

Anastasia Yu. Ulitina, Student of Medical Institute

26 Stepana Razina St., Kaluga, 248023

E. A. Elistratov
Kaluga State University Named after K.E. Tsiolkovsky
Russian Federation

Evgeniy A. Elistratov, Student of Medical Institute

26 Stepana Razina St., Kaluga, 248023