N.L. CHERNAYA¹, G.S. MASKOVA¹, V.M. GANUZIN¹, E.A. ERMOLINA² ¹Yaroslavl State Medical University of the MH of RF, 5 Revolyutsionnaya Str., Yaroslavl, Russian Federation, 150000 ²Regional Perinatal Center, 31v Tutaevskoe highway, Yaroslavl, Russian Federation, 150042  Chernaya N.L. – D. Sc. (medicine), Professor, Head of the Department of Outpatient Pediatrics, tel. (485) 235-66-92, e-mail: [email protected], ORCID ID: […]