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

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

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

28, Geroev Panfilovtsev St., Moskow, 125373

L. V. Goncharova
Bashlyaeva Children’s City Clinical Hospital
Russian Federation

Liudmila V. Goncharova, Pediatrician Paediatrics Department No 1

28, Geroev Panfilovtsev St., Moskow, 125373

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

Irina N. Zakharova, Dr. Sci. (Med.), Honored Physician of Russia, Head of the Department of Pediatrics named after Academician G.N. Speransky

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