V. S. Isachenko
St Petersburg Research Institute of Ear, Throat, Nose and Speech; St Petersburg State University
Russian Federation

Vadim S. Isachenko - Dr. Sci. (Med.), Associate Professor, Senior Researcher, Deputy Chief Physician for Surgery, St Petersburg RI of Ear, Throat, Nose and Speech; Professor of the Department of Otorhinolaryngology and Ophthalmology of the Medical Institute, St Petersburg SU.

9, Bronnitskaya St., St Petersburg, 190013; 8а, 21th Liniya Vasilevskogo Ostrova St., St Petersburg, 199106

A. V. Chernoivan
St Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Alexey V. Chernoivan - Deputy Chief Physician for Outpatient Work, Head of the Clinical Diagnostic Center.

9, Bronnitskaya St., St Petersburg, 190013

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

Svetlana S. Vysockaya - Deputy Head of the Organizational and methodological Department, Otorhinolaryngologist.

9, Bronnitskaya St., St Petersburg, 190013

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

Galina S. Maltseva - Dr. Sci. (Med.), Academic Secretary.

9, Bronnitskaya St., St Petersburg, 190013

M. G. Butskikh
St Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Maxim G. Butskikh - Clinical Resident.

9, Bronnitskaya St., St Petersburg, 190013

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

Anastasia A. Koksharova - Clinical Resident.

9, Bronnitskaya St., St Petersburg, 190013