V.S. VERESHCHAGINA1, E.O. ZAURALOV2, L.A. BALYKOVA1, L.V. LEDYAIKINA1, E.I. NAUMENKO1, T.I. RAZDOL’KINA1 1Mordovia State University, 68 Bolshevistskaya St., Saransk, Russian Federation, 430005 2Republican Children’s Clinical Hospital, 15 Rosa Luxemburg St., Saransk, Russian Federation, 430032 Vereshchagina V.S. — Cand. Med. Sc., Associate Professor of the Department of Pediatrics, tel. (8342) 35-30-02, e-mail: [email protected] Zauralov E.O. — […]