E.V. VOLIANYUK1, 2, A.M. ZAKIROVA3  1Municipal Children’s Clinical Hospital № 1, Kazan 2Kazan State Medical Academy — Branch Campus of the FSBEI FPE RMACPE MOH Russia, Kazan 3Kazan State Medical University, Kazan Contact details: Volianyuk E.V. — PhD (medicine), Head of the City Center for Catamnesis, Associate Professor of the Department of Pediatrics and Neonatology Address: […]