For citations:
Shchederkina I.O., Zavadenko N.N., Orlova E.V., Yakovleva V.N., Zavadenko A.N. N.I. Pirogov Russian National Research Medical University, Moscow; Morozov City Children's Clinical Hospital, Moscow. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2015;60(4):93-99. (In Russ.)