I. G. Arustamyan
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech
Russian Federation

Irina G. Arustamyan, Cand. Sci. (Med.), Researcher, Research Department of Pathophysiology of Voice and Speech

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

V. E. Pavlov
Pavlov First Saint Petersburg State Medical University
Russian Federation

Vladimir E. Pavlov, Cand. Sci. (Med.), Assistant of the Department of Anesthesiology and Resuscitation

6–8, Lev Tolstoy St., St Petersburg, 197022, Russia

Yu. S. Polushin
Pavlov First Saint Petersburg State Medical University
Russian Federation

Yury S. Polushin, Dr. Sci. (Med.), Professor, Acad. RAS, Head of the Department of Anesthesiology and Reanimatology, Head of the Scientific and Clinical Center for Anesthesiology and Resuscitation

6–8, Lev Tolstoy St., St Petersburg, 197022, Russia

S. A. Karpishchenko
Pavlov First Saint Petersburg State Medical University
Russian Federation

Sergey A. Karpishchenko, Dr. Sci. (Med.), Professor, Head of the Department of Otorhinolaryngology with a Clinic

6–8, Lev Tolstoy St., St Petersburg, 197022, Russia

O. A. Stancheva
Pavlov First Saint Petersburg State Medical University
Russian Federation

Olga A. Stancheva, Cand. Sci. (Med.), Otorhinolaryngologist

6–8, Lev Tolstoy St., St Petersburg, 197022, Russia

G. A. Efimenko
Vaiblab
Russian Federation

George A. Efimenko, General Director

21A, office 3-H, Novokolomyazhsky Ave., St Petersburg, 197375, Russia