I. I. Pshenichnikova
Russian Medical Academy of Continuing Professional Education
Russian Federation

 Cand. Sci. (Med.), Associate Professor of Academician G.N. Speransky Department of Pediatrics

38, Smolnaya St., Moscow, 125445, Russia 

I. N. Zakharova
Russian Medical Academy of Continuing Professional Education
Russian Federation

 Dr. Sci. (Med.), Professor, Head of Academician G.N. Speransky Department of Pediatrics

38, Smolnaya St., Moscow, 125445, Russia 

E. V. Skorobogatova
Bashlyaeva Children’s City Clinical Hospital
Russian Federation

 Cand. Sci. (Med.), Head of Pediatrics Department

28, Geroev Panfilovtsev St., Moskow, 125373, Russia 

T. I. Bocharova
Bashlyaeva Children’s City Clinical Hospital
Russian Federation

 Pediatric Gastroenterologist

28, Geroev Panfilovtsev St., Moskow, 125373, Russia 

Yu. V. Koba
Russian Medical Academy of Continuing Professional Education
Russian Federation

 Resident Physician of Academician G.N. Speransky Department of Pediatrics

38, Smolnaya St., Moscow, 125445, Russia