I.S. TISHKINA, L.I. ILIENKO, I.N. KHOLODOVA Russian National Research Medical University named after N.I. Pirogov, 1 Оstrovityanov St., Moscow, Russian Federation, 117997 Tishkina I.S. — external doctorate student of the Department of Hospital Pediatrics № 2, tel. (496)-46-212-13, е-mail: irina.tish@gmail.com Ilienko L.I. — D. Med. Sc., Professor, Dean of the Department of Pediatrics, tel. (495) […]