1. Children’s City Outpatient’s Clinic № 133 of Moscow City Health Department
2. Moscow City Health Department
3. Research Institute of Pediatrics and Children’s Health in «Central Clinical Hospital of the Russian Academy of Sciences»; Pirogov Russian National Research Medical University; Belgorod State National Research University
4. Research Institute of Pediatrics and Children’s Health in «Central Clinical Hospital of the Russian Academy of Sciences»; Pirogov Russian National Research Medical University