1. Sechenov First Moscow State Medical University; Research Institute of Pediatrics and Children’s Health in Petrovsky National Research Centre of Surgery
2. Research Institute of Pediatrics and Children’s Health in Petrovsky National Research Centre of Surgery; Pirogov Russian National Research Medical University
3. Pediatric Research and Clinical Center for Infectious Diseases
4. National Medical Research Center of Children’s Health
5. Pirogov Russian National Research Medical University
6. Pavlov First Saint Petersburg State Medical University
7. Saint Petersburg State Pediatric Medical University
8. Union of Pediatricians of Russia
9. Sechenov First Moscow State Medical University; Research Institute of Pediatrics and Children’s Health in Petrovsky National Research Centre of Surgery; Pirogov Russian National Research Medical University
10. Research Institute of Pediatrics and Children’s Health in Petrovsky National Research Centre of Surgery
11. Morozovskaya Children’s City Hospital