A. V. Nalyotov
M. Gorky Donetsk State Medical University
Russian Federation

Andrew V. Nalyotov, Dr. Sci. (Med.), Professor, Head of the Department of Pediatrics № 2  

16 Ilyicha av., Donetsk, 283003 

A. I. Khavkin
Research Clinical Institute of Childhood of the Moscow Region; Belgorod State National Research University
Russian Federation

Anatoly I. Khavkin, Dr. Sci. (Med.), Professor, Head of the Moscow Regional Center of Pediatric Gastroenterology and Hepatology of the Research Clinical Institute of Childhood of the Moscow Region; Professor of Department of Pediatrics with a Course in Pediatric Surgical Diseases of Medical Institute of Belgorod State National Research University

Building 1, 24а Kominterna str., Mytishchi, 141009

85 Pobedi str., Belgorod, 308015
 

M. A. Matsynina
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Maria A. Matsynina, Cand. Sci. (Med.), Associate Professor of the Department of Pediatrics and Neonatology 

47 Kirochnaya str., Saint Petersburg, 191015 

E. A. Balakireva
Belgorod State National Research University
Russian Federation

Elena A. Balakireva, Dr. Sci. (Med.), Associate Professor, Head of the Department of Pediatrics  

85 Pobedi str., Belgorod, 308015