N. P. Mamchik
Voronezh State Medical University named after N. N. Burdenko
Russian Federation

Nikolai P. Mamchik – Dr. Sci. (Med.), Professor, Head of the Department of Epidemiology

Studencheskaya str.10, Voronezh, 394036 

N. V. Gabbasova
Voronezh State Medical University named after N. N. Burdenko
Russian Federation

Nataliya V. Gabbasova – Dr. Sci. (Med.), Professor of the Department ofEpidemiology

Studencheskaya str.10, Voronezh, 394036 

T. N. Sitnik
Voronezh State Medical University named after N. N. Burdenko;
Russian Federation

Tamara N. Sitnik – deputy chief doctor of Voronezh Regional Clinical Center for the Prevention and Control of AIDS, assistant of the Department Epidemiology of Voronezh State Medical University named after N. N. Burdenko

Voronezh

L. V. Steinke
Voronezh State Medical University named after N. N. Burdenko;
Russian Federation

Lyudmila V. Steinke – Cand. Sci. (Med.), assistant of the Department Epidemiology of Voronezh State Medical University named after N. N. Burdenko, Head of the Department of Clinical Epidemiology of the Voronezh Regional Clinical Center for the Prevention and Control of AIDS

Voronezh