O. V. Pervishko
Kuban State Medical University
Russian Federation

Olesya V. Pervishko, Cand. Sci. (Med.), Associate Professor, Head of the Department of Pediatrics No. 1

4, Mitrofan Sedin St., Krasnodar, 350063

D. K. Dmitrieva
Russian Medical Academy of Continuous Professional Education
Russian Federation

Diana K. Dmitrieva, Postgraduate Student of the Department of Pediatrics named after Acad. G.N. Speransky

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

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

Irina N. Zakharova, Dr. Sci. (Med.), Professor, Head of the Department of Pediatrics named after Acad. G.N. Speransky

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