M. V. Drozdova
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Marina V. Drozdova, Dr. Sci. (Med.), Leading Researcher, Upper Respiratory Tract Department, Head of the Department of Reconstructive Surgery

9, Bronnitskaya St., St Petersburg, 190013, Russia

V. V. Dvorianchikov
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Vladimir V. Dvorianchikov, Dr. Sci. (Med.), Professor, Honored Doctor of Russia, Director

9, Bronnitskaya St., St Petersburg, 190013, Russia

D. V. Spekov
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Dmitriy V. Spekov, Otorhinolaryngologist of the Department of Reconstructive Surgery

9, Bronnitskaya St., St Petersburg, 190013, Russia