1. Hospital Pediatrics, Saint Petersburg State Pediatric Medical University, Saint Petersburg 194100, Russia
2. Intensive Care Unit Department, Saint Petersburg State Pediatric Medical University, Saint Petersburg 194100, Russia
3. Department of Pediatrics, Irkutsk State Medical Academy of Postgraduate Education, Branch of Russian Medical Academy of Continuous Professional Education, Irkutsk 664049, Russia
4. Department of Cardiology, Irkutsk Regional Children’s Hospital, Irkutsk 664022, Russia
5. Pediatric Infectious Department, Saint Petersburg State Pediatric Medical University, Saint Petersburg 194100, Russia
6. Pediatric Research and Clinical Center for Infection Diseases, Saint Petersburg 197022, Russia
7. Neonatology Department, Saint Petersburg State Pediatric Medical University, Saint Petersburg 194100, Russia