S. V. Morozova
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Svetlana V. Morozova, Dr. Sci. (Med.), Professor of the Department of Ear, Throat and Nose Diseases, Sklifosovsky Institute of Clinical Medicine

8, Bldg. 2, Trubetskaya St., Moscow, 119991, Russia 

E. B. Moskvitina
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Ekaterina B. Moskvitina, Cand. Sci. (Med.), Assistant of the Department of Ear, Throat and Nose Diseases, Sklifosovsky Institute of Clinical Medicine

8, Bldg. 2, Trubetskaya St., Moscow, 119991, Russia 

T. Kh. Shadyev
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Timur Kh. Shadyev, Cand. Sci. (Med.), Associate Professor of the Department of Ear, Throat and Nose Diseases, Sklifosovsky Institute of Clinical Medicine 

8, Bldg. 2, Trubetskaya St., Moscow, 119991, Russia 

E. A. Dyadishcheva
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Elizaveta A. Dyadishcheva, Student 

8, Bldg. 2, Trubetskaya St., Moscow, 119991, Russia