Yu. V. Chernenkov
Saratov State Medical University
Russian Federation

Yuri V. Chernenkov, Head of the Department of Hospital Pediatrics and Neonatology, Professor, DSc 

 112, Bol’shaya kazach’ya str., Saratov, 410012 Russia 

I. A. Glushakov
Saratov State Medical University
Russian Federation

 Igor A. Glushakov, Student 

 112, Bol’shaya kazach’ya str., Saratov, 410012 Russia 

V. D. Glushakova
Saratov State Medical University
Russian Federation

 Victoria D. Glushakova, Student 

 112, Bol’shaya kazach’ya str., Saratov, 410012 Russia 

O. I. Gumeniuk
Saratov State Medical University
Russian Federation

Olga I. Gumeniuk, Associate Professor of the Department of Hospital Pediatrics and Neonatology, PhD 

 112, Bol’shaya kazach’ya str., Saratov, 410012 Russia