K. A. Subbotina
State Educational Institution of Higher Professional Education Perm State Medical University Ministry of Health of Russian Federation.
Russian Federation

Kseniya A. Subbotina – Cand. Sci. (Med.), assistant professor of the Department of Epidemiology.

614068, Perm, Dzerzhinsky street 1 «B».

I. V. Feldblium
State Educational Institution of Higher Professional Education Perm State Medical University Ministry of Health of Russian Federation.
Russian Federation

Irina V. Feldblium – Dr. Sci. (Med.), professor, head of the Department of Epidemiology.

E. A. Kochergina
State Educational Institution of Higher Professional Education Perm State Medical University Ministry of Health of Russian Federation.
Russian Federation

Ekaterina A. Kochergina – Cand. Sci. (Med.), head of the Department of polyclinic therapy.

N. A. Lechtina
State Educational Institution of Higher Professional Education Perm State Medical University Ministry of Health of Russian Federation.
Russian Federation

Nadezhda A. Lechtina – intern of the Department of Epidemiology.