D. I. Krolevets
Rostov State Medical University, Rostov-on-Don
Russian Federation

Darya I. Krolevec, graduate student of department of clinical immunology and allergology

L. P. Sizyakina
Rostov State Medical University, Rostov-on-Don
Russian Federation

Lyudmila P. Sizyakina, PhD, prof., head of department of
clinical immunology and allergology

I. I. Andreeva
Rostov State Medical University, Rostov-on-Don
Russian Federation

Irina I. Andreeva, PhD, associate professor of department of clinical immunology and allergology

A. A. Yakovlev
Rostov State Medical University, Rostov-on-Don

Aleksej A. Yakovlev, PhD, prof., head of department of
gastroenterology and endoscopy with the course of clinical
pharmacology

O. A. Bashtovaya
Rostov State Medical University, Rostov-on-Don

Olga A. Bashtovaya, graduate student of department of
gastroenterology and endoscopy with the course of clinical
pharmacology