D. S. Pshennikov
Ryazan State Medical University named after Academician I.P. Pavlov; Ryazan Regional Clinical Hospital named after N.A. Semashko
Russian Federation

Dmitry S. Pshennikov - Cand. Sci. (Med.), Associate Professor, Chief Freelance Otorhinolaryngologist of the Ministry of Health of the Ryazan Region, Associate Professor of the Department of Surgical Dentistry and Maxillofacial Surgery with a Course in ENT Diseases, Ryazan State Medical University named after Academician I.P. Pavlov; Otorhinolaryngologist, Otorhinolaryngology Department, Ryazan Regional Clinical Hospital named after N.A. Semashko.

9, Vysokovoltnaya St., Ryazan, 390013; 3, Semashko St., Ryazan, 390005

V. I. Popadyuk
RUDN University
Russian Federation

Valentin I. Popadyuk - Dr. Sci. (Med.), Professor, Head of the Department of Otorhinolaryngology.

6, Miklukho-Maklai St., Moscow, 117198

N. V. Feshkina
Ryazan State Medical University named after Academician I.P. Pavlov
Russian Federation

Nadezhda V. FeshkinaA - ssistant Professor of the Department of Surgical Dentistry and Maxillofacial Surgery with a Course in ENT Diseases.

9, Vysokovoltnaya St., Ryazan, 390013

E. L. Savlevich
Clinical Hospital of the Administrative Directorate of the President of the Russian Federation
Russian Federation

Elena L. Savlevich - Dr. Sci. (Med.), Associate Professor, Otorhinolaryngologist.

40, Otkrytoe Shosse, Moscow, 107143