1. Ryazan State Medical University named after academician I.P.Pavlov, Ministry of Public Health of the Russian Federation; State budgetary institution of the Ryazan region “City children’s clinic No.7”, Healthcare Ministry of the Ryazan region
2. Ryazan State Medical University named after academician I.P.Pavlov, Ministry of Public Health of the Russian Federation
3. State budgetary institution of the Ryazan region “City children’s clinic No.1”, Healthcare Ministry of the Ryazan region