Yu. L. Mizernitskiy
Veltischev Research and Clinical Institute for Pediatrics of the Pirogov Russian National Research Medical University
Russian Federation

Mizernitsky Yury L. – MD, PhD, prof., Head of Depart. of Lung Diseases 

2, Taldomskaya str., Moscow, 125412

I. M. Melnikova
Central City Hospital
Russian Federation

Melnikova Irina M. – MD, PhD, prof., Head of Department of Hospital Pediatrics № 1

5, Revolyucionnaya str., Yaroslavl, 150000

E. V. Udaltsova
Yaroslavl State Medical University
Russian Federation

Udaltsova Ekaterina V.– Cand. of Sci. (Med.), resident physician of the pediatric department

52, Oktyabrya pr., Yaroslavl, 150040