I. N. Zakharova
Russian Medical Academy of Continuous Professional Education; Bashlyaeva City Children’s Clinical Hospital
Russian Federation

 Dr. Sci. (Med.), Professor, Head of the Department of Pediatrics named after Academician G.N. Speransky; Gastroenterologist, Pediatrician

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993, Russia

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

I. V. Berezhnaya
Russian Medical Academy of Continuous Professional Education; Bashlyaeva City Children’s Clinical Hospital
Russian Federation

 Cand. Sci. (Med.), Associate Professor of the Department of Pediatrics named after Academician G.N. Speransky; Gastroenterologist, Pediatrician 

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993, Russia

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

N. G. Sugyan
Russian Medical Academy of Continuous Professional Education
Russian Federation

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

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993, Russia

T. M. Tvorogova
Russian Medical Academy of Continuous Professional Education
Russian Federation

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

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993, Russia

D. S. Kolushkin
Russian Medical Academy of Continuous Professional Education
Russian Federation

 Resident of the Department of Pediatrics named after Academician G.N. Speransky 

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993, Russia

V. V. Pupykina
Russian Medical Academy of Continuous Professional Education
Russian Federation

 Resident of the Department of Pediatrics named after Academician G.N. Speransky 

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993, Russia

I. A. Rodionov
Russian Medical Academy of Continuous Professional Education
Russian Federation

 Resident of the Department of Pediatrics named after Academician G.N. Speransky 

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993, Russia