V. I. Popadyuk
RUDN University
Russian Federation

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

6, Miklukho-Maklai St., Moscow, 117198

I. A. Karpov
South Ural State Medical University
Russian Federation

Igor A. Karpov - Dr. Sci. (Med.), Associate Professor, Professor of the Department of Plastic Surgery and Cosmetology of the Institute of Additional Professional Education, South Ural State Medical University.

64, Vorovskiy St., Chelyabinsk, 454092

M. A. Lengina
South Ural State Medical University
Russian Federation

Maria A. Lengina - Cand. Sci. (Med.), Associate Professor, Associate Professor Department of Otorhinolaryngology, South Ural State Medical University.

64, Vorovskiy St., Chelyabinsk, 454092

A. M. Korkmazov
South Ural State Medical University
Russian Federation

Arsen M. Korkmazov - Cand. Sci. (Med.), Associate Professor, Associate Professor Department of Otorhinolaryngology, South Ural State Medical University.

64, Vorovskiy St., Chelyabinsk, 454092

N. V. Kornova
South Ural State Medical University
Russian Federation

Natalia V. Kornova - Cand. Sci. (Med.), Associate Professor, Associate Professor Department of Otorhinolaryngology, South Ural State Medical University.

64, Vorovskiy St., Chelyabinsk, 454092