L.I. ZAKHAROVA1, N.S. KOLTSOVA1, S.A. TUPIKOVA1, N.I. KULIKOVA2 1Samara State Medical University, 89 Chapaevskaya Str., Samara, Russian Federation, 443099 2Samara Regional Clinical Hospital named after V.D. Seredavin, 159 Tashkentskaya Str., Samara, Russian Federation, 443059 Zakharova L.I. ― D. Med. Sc., Professor of the Department of Children’s Diseases, tel. (846) 959-45-11, e-mail: kdbsamgmu@yandex.ru Koltsova N.S. ― […]