A. A. Krivopalov
St Petersburg Research Institute of Ear, Throat, Nose and Speech; North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Aleksandr А. Krivopalov, Dr. Sci. (Med.), Head of the Research Department of Upper Respiratory Tract Pathology, St Petersburg Research Institute of Ear, Throat, Nose and Speech; Associate Professor of the Department of Otorhinolaryngology, North-Western State Medical University named after I.I. Mechnikov.

9, Bronnitskaya St., St Petersburg, 190013; 41, Kirochnaya St., St Petersburg, 191015

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, Institute of Continuing Professional Education.

64, Vorovskiy St., Chelyabinsk, 454092

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

Natalya V. Kornova - Cand. Sci. (Med.), Associate Professor of the Department of Otorhinolaryngology.

64, Vorovskiy St., Chelyabinsk, 454092

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

Maria A. Lengina - Cand. Sci. (Med.), Associate Professor of the Department of Otorhinolaryngology.

64, Vorovskiy St., Chelyabinsk, 454092

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

Arsen M. Korkmazov - Cand. Sci. (Med.), Associate Professor of the Department of Otorhinolaryngology.

64, Vorovskiy St., Chelyabinsk, 454092