1. L.A. Vorohobov City Clinical Hospital No. 67, Moscow Healthcare Department
2. G.N. Gabrichevsky Moscow Research Institute of Epidemiology and Microbiology, Federal Service for Supervision of Consumer Rights Protection and Human Welfare
3. G.N. Gabrichevsky Moscow Research Institute of Epidemiology and Microbiology, Federal Service for Supervision of Consumer Rights Protection and Human Welfare; I.M. Sechenov First Moscow State Medical University, Ministry of Health of the Russian Federation (Sechenov University)