A. A. Chekhonatsky
V.I. Razumovsky Saratov State Medical University, Ministry of Health of Russia
Russian Federation

112, Bolshaya Kazachiya St., Saratov 410012, Russia

N. E. Komleva
V.I. Razumovsky Saratov State Medical University, Ministry of Health of Russia
Russian Federation

112, Bolshaya Kazachiya St., Saratov 410012, Russia

V. N. Nikolenko
I.M. Sechenov First Moscow State Medical University (Sechenov University), Ministry of Health of Russia; Faculty of Fundamental Medicine, M.V. Lomonosov Moscow State University
Russian Federation

8, Trubetskaya St., Build. 2, Moscow 119991, Russia

31, Lomonosovsky Prospect, Build. 5, Moscow 119192, Russia

V. A. Chekhonatsky
Russian Medical Academy of Continuing Medical Education, Ministry of Health of Russia
Russian Federation

2/1, Barrikadnaya St., Build. 1, Moscow 125993, Russia