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

Viktoria V. Lobacheva, Assistant of the Department of Ear, Throat and Nose Diseases of the Sklifosovsky Institute of Clinical Medicines

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

V. M. Svistushkin
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Valery М. Svistushkin, Dr. Sci. (Med.), Professor, Head of the Department of Ear, Throat and Nose Diseases of the Sklifosovsky Institute of Clinical Medicines, Director of the Ear, Throat and Nose Diseases Clinic 

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

A. V. Zolotova
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Anna V. Zolotova, Cand. Sci. (Med.), Associate Professor of the Department of Ear, Throat and Nose Diseases of the Sklifosovsky Institute of Clinical Medicines 

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

M. V. Svistushkin
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Mikhail V. Svistushkin, Cand. Sci. (Med.), Assistant of the Department of Ear, Throat and Nose Diseases of the Sklifosovsky Institute of Clinical Medicines 

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

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

Elena А. Shevchik, Cand. Sci. (Med.), Associate Professor of the Department of Ear, Throat and Nose Diseases of the Sklifosovsky Institute of Clinical Medicines 

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

I. A. Tychkina
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

 Irina A. Tychkina, Student 

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