A. S. Nabieva
Saint Petersburg State Pediatric Medical University
Russian Federation

Anna S. Nabieva, Head of the Department of Epidemiology, Assistant of the Department of General Hygiene

2 Litovskaya Street, Saint Petersburg, 194100, Russian Federation

B. I. Aslanov
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Batyrbek I. Aslanov, Dr. Sci. (Med.), Head of the Department of Epidemiology, Parasitology and Disinfection

41 Kirochnaya Street, Saint Petersburg, 191015, Russian Federation

A. V. Nokhrin
Saint Petersburg State Pediatric Medical University
Russian Federation

Andrei V. Nokhrin, Cand. Sci. (Med.), cardiovascular surgeon, Department of Anesthesiology of Intensive Care for Children with Cardiac Pathology

2 Litovskaya Street, Saint Petersburg, 194100, Russian Federation