M. Yu. Korkmazov
Saint Petersburg Research Institute of Ear, Throat, Nose and Speech; South Ural State Medical University
Russian Federation

Musos Yu. Korkmazov, Dr. Sci. (Med.), Professor, Chief Researcher of Upper Respiratory Tract Pathology, Saint Petersburg Research Institute of Ear, Throat, Nose and Speech; Head of the Department of Otorhinolaryngology, South Ural State Medical University

9, Bronnitskaya St., St Petersburg, 190013, 

64, Vorovskiy St., Chelyabinsk, 454092

E. L. Savlevich
Moscow Regional Research Clinical Institute named after M.F. Vladimirsky; Clinical Hospital of the Department of Presidential Affairs
Russian Federation

Elena L. Savlevich, Dr. Sci. (Med.), Associate Professor, Otorhinolaryngologist, Moscow Regional Research Clinical Institute named after M.F. Vlad­imirsky; Otorhinolaryngologist, Clinical Hospital of Department of Presidential Affairs

61/2, Bldg. 1, Schepkin St., Moscow, 129110,

40, Otkrytoe Shosse, Moscow, 107143

I. A. Karpov
South Ural State Medical University
Russian Federation

Igor A. Karpov, Dr. Sci. (Med.), Associate Professor, Professor of the Department of Plastic Surgery and Cosmetology of the Institute of Additional Profes­sional Education 

64, Vorovskiy St., Chelyabinsk, 454092

P. V. Markus
Polyclinic No. 3 of Department for Presidential Affairs of the Russian Federation
Russian Federation

Petr V. Markus, Head of the Otorhinolaryngology Department with the Office of Sign Language and Hearing Prosthetics

31, Groholsky Lane, Moscow, 129090

I. G. Kozlov
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Ivan G. Kozlov, Dr. Sci. (Med.), Professor of the Department of Organization and Management in the field of Drug Circulation

8, Bldg. 2, Trubetskaya St., Moscow, 119991

K. K. Bessonov
Bionorica LLC
Russian Federation

Kirill K. Bessonov, Medical Advisor

52, Bldg. 4, Kosmodamianskaya Emb., Moscow, 115054