Z. V. Nesterenko
St. Petersburg State Pediatric Medical University
Russian Federation

Zoia V. Nesterenko - MD, PhD, DSc (Medicine), Professor of the Department of Propediatrics Сhildhood Diseases with a Course of care for Patients General Care.

2, Litovskaya st. St. Petersburg 194100

A. I. Khavkin
Research Clinical Institute of Childhood of the Moscow Region
Russian Federation

Anatoly I. Khavkin - MD, PhD, DSc (Medicine), Professor, Head of the Moscow Regional Center for Pediatric Gastroenterology, Hepatology and Abdominal Surgery.

62, Bolshaya Serpuhovskaya street, Moscow 115093

V. P. Novikova
St. Petersburg State Pediatric Medical University
Russian Federation

Valeriya P. Novikova - MD, PhD, DSc (Medicine), Professor, Head of Department of Propedeutics of Childhood Diseases with a course of General Child Care, Head of the Laboratory “Medical and social problems in pediatrics”.

2, Litovskaya st. St. Petersburg 194100

A. P. Listopadova
St. Petersburg State Pediatric Medical University
Russian Federation

Anastasia P. Listopadova - MD, PhD, MS (Medicine), Senior researcher of the Department of Propediatrics Сhildhood Diseases with a Course of care for Patients General Care.

2, Litovskaya st. St. Petersburg 194100