A. M. Zakirova
Kazan State Medical University
Russian Federation

Alfiya M. Zakirova, Cand. Sci. (Med.), Associate Professor, Associate Professor of the Department of Propaedeutics of Childhood Diseases and Faculty Pediatrics, Deputy Dean of the Faculty of Pediatrics

49, Butlerov St., Kazan, 420012

V. N. Krasnozhen
Kazan State Medical Academy
Russian Federation

Vladimir N. Krasnozhen, Dr. Sci. (Med.), Professor, Head of the Department of Otorhinolaryngology

36, Butlerov St., Kazan, 420012

D. T. Shayapova
Central City Clinical Hospital No. 18
Russian Federation

Dilara T. Shayapova, Head of the Pulmonology Department of the Children’s Hospital

2а, Richard Sorge St., Kazan, 420087

A. G. Kadriev
Kazan State Medical University
Russian Federation

Albert G. Kadriev, Cand. Sci. (Med.), Assistant of the Department of Pediatric Surgery

49, Butlerov St., Kazan, 420012

E. L. Rashitova
Kazan State Medical University
Russian Federation

Elina L. Rashitova, Student of the Pediatric Faculty

49, Butlerov St., Kazan, 420012

T. M. lbragimov
Kazan State Medical University
Russian Federation

Timur M. lbragimov, Student of the Pediatric Faculty

49, Butlerov St., Kazan, 420012

A. A. Kadriev
Kazan State Medical University
Russian Federation

Amir A. Kadriev, Student of the Pediatric Faculty

49, Butlerov St., Kazan, 420012