S. A. Eremin
St Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Sergej A. Eremin - Cand. Sci. (Med.), Researcher, Department of Development and Implementation of High-Tech Treatment Methods, St Petersburg Research Institute of Ear, Throat, Nose and Speech.

9, Bronnitskaya St., St Petersburg, 190013.

I. M. Dyakov
St Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Ilya M. Dyakov - Junior Researcher, Department for Development and Implementation of High-Tech Treatment Methods, St Petersburg Research Institute of Ear, Throat, Nose and Speech.

9, Bronnitskaya St., St Petersburg, 190013.

S. S. Pavlova
St Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Svetlana S. Pavlova - Junior Researcher, Organizational and Methodological Department, St Petersburg Research Institute of Ear, Throat, Nose and Speech.

9, Bronnitskaya St., St Petersburg, 190013.