V. S. Isachenko
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech; Saint Petersburg State University
Россия

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

9, Bronnitskaya St., St Petersburg, 190013,

8A, 21^st Liniya Vasilevskogo Ostrova St., St Petersburg, 199106

L. E. Shapovalov
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech
Россия

Lev E. Shapovalov, Postgraduate Student

9, Bronnitskaya St., St Petersburg, 190013

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

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

9, Bronnitskaya St., St Petersburg, 190013

S. N. Larionova
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech
Россия

Sofya N. Larionova, Otorhinolaryngologist of the Pediatric Surgical Department, Researcher

9, Bronnitskaya St., St Petersburg, 190013