G. N. Nikiforova
Federal State Autonomous Educational Institution of Higher Education First Moscow State Medical University named after I.M. Sechenov of the Ministry of Health of the Russian Federation (Sechenov University)
Russian Federation

Dr. of Sci. (Med.), Professor of Chair for Ear, Nose and Throat Diseases, Federal State Autonomous Educational Institution of Higher Education «Sechenov First Moscow State Medical University» of the Ministry of Heath of the Russian Federation (Sechenov University)

V. M. Svistushkin
Federal State Autonomous Educational Institution of Higher Education First Moscow State Medical University named after I.M. Sechenov of the Ministry of Health of the Russian Federation (Sechenov University)
Russian Federation

Dr. of Sci. (Med.), Professor, Head of Chair for Ear, Nose and Throat Diseases, Federal State Autonomous Educational Institution of Higher Education «Sechenov First Moscow State Medical University» (Sechenov Uni versity) of the Ministry of Heath of the Rus sian Federation (Sechenov University)

A. V. Zolotova
Federal State Autonomous Educational Institution of Higher Education First Moscow State Medical University named after I.M. Sechenov of the Ministry of Health of the Russian Federation (Sechenov University)
Russian Federation

Cand. of Sci. (Med.), Assistant Professor of Chair for Ear, Nose and Throat Diseases, Federal State Auto no mous Educational Institution of Higher Educa tion «Seche nov First Moscow State Medical University» of the Ministry of Heath of the Russian Federation (Sechenov University)