I. M. Kirichenko
RUDN University; On Clinic Arbat LLC
Russian Federation

Irina M. Kirichenko - Dr. Sci. (Med.), Professor of the Department of Otorhinolaryngology at the Medical Institute, RUDN University; Chief Otorhinolaryngologist, On Clinic Arbat LLC.

6, Miklukho-Maklai St., Moscow, 117198; 32, Bldg. 1, Bolshaya Molchanovka St., Moscow, 121069

V. I. Popadyuk
RUDN University
Russian Federation

Valentin I. Popadyuk - Dr. Sci. (Med.), Professor Dean of the Faculty of Continuing Medical Education, Head of the Department of Otorhinolaryngology at the Medical Institute, RUDN University.

6, Miklukho-Maklai St., Moscow, 117198

A. I. Chernolev
RUDN University
Russian Federation

Anna I. Chernolev - Cand. Sci. (Med.), Associate Professor of the Department of Otorhinolaryngology at the Medical Institute, RUDN University.

6, Miklukho-Maklai St., Moscow, 117198