E. A. Levina
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Elena A. Levina - Cand. Sci. (Med.), Senior Researcher at the Research Department of Diagnosis and Rehabilitation of Hearing Disorders, Saint Petersburg Research Institute of Ear, Throat, Nose and Speech.

9, Bronnitskaya St., St Petersburg, 190013

E. E. Vyazemskaya
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Elena E. Vyazemskaya - Engineer of the Research Laboratory of Clinical Informatics and Biostatistics, Saint Petersburg Research Institute of Ear, Throat, Nose and Speech.

9, Bronnitskaya St., St Petersburg, 190013

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

Valeria V. Bretavskaya - Otolaryngologist; Saint Petersburg Research Institute of Ear, Throat, Nose and Speech.

9, Bronnitskaya St., St Petersburg, 190013

S. V. Levin
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech; North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Sergey V. Levin - Cand. Sci. (Med.), Senior Researcher at the Research Department of Diagnosis and Rehabilitation of Hearing Disorders, Saint Petersburg Research Institute of Ear, Throat, Nose and Speech; North-Western State Medical University named after I.I. Mechnikov.

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

V. V. Dvoryanchikov
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech; Military Medical Academy named after S.M. Kirov
Russian Federation

Vladimir V. Dvorianchikov - Dr. Sci. (Med.), Professor, Director, Saint Petersburg Research Institute of Ear, Throat, Nose and Speech; Military Medical Academy named after S.M. Kirov.

9, Bronnitskaya St., St Petersburg, 190013; 6, Akademik Lebedev St., St Petersburg, 194044

Yu. K. Yanov
North-Western State Medical University named after I.I. Mechnikov; Military Medical Academy named after S.M. Kirov
Russian Federation

Yuri K. Yanov - Аcad. RAS, Dr. Sci. (Med.), Professor, North-Western State Medical University named after I.I. Mechnikov; Department of Otorhinolaryngology, Military Medical Academy named after S.M. Kirov.

41, Kirochnaya St., St Petersburg, 191015; 6, Akademik Lebedev St., St Petersburg, 194044