O.I. GOLUBTSOVA1, N.P. ANDREEVA2, T.I. PETROVA2, L.A. GERASIMOVA1, I.A. SKVORTSOVA1, O.N. SERGEEVA1, L.A. KOTSURAK1, L.A. NIKOLAEVA2 1Republican Children’s Clinical Hospital of the Ministry of Health of the Chuvash Republic, 27 Gladkova Str., Cheboksary, Russian Federation, 428020 2Chuvash State University named after I.N. Ulyanov, 15 Moskovsky Ave., Cheboksary, Russian Federation, 428015  Golubtsova O.I. — Cand. Med. […]