1. Pavlov First Saint Petersburg State Medical University
2. Research Institute of Pediatrics and Children’s Health in “Central Clinical Hospital of the Russian Academy of Sciences”;
National Medical Research Center of Children’s Health;
Sechenov First Moscow State Medical University (Sechenov University);
Central State Medical Academy of Department of Presidential Affairs
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
4. National Medical Research Center of Children’s Health