A. I. Kriukov
Pirogov Russian National Research Medical University; Sverzhevsky Scientific and Research Otolaryngology Clinical Institute
Russian Federation

Andrey I. Kriukov, Dr. of Sci. (Med.), Professor, Honoured Worker of Science of RF, Director, State Budgetary Healthcare Institution “Sverzhevsky Scientific and Research Otolaryngology Clinical Institute” Department of Health Care of the City of Moscow; Head of the Department of Otorhinolaryngology, Faculty of Medicine, Federal State Autonomous Educational Institution of Higher Education “Pirogov Russian National Research Medical University” of the Ministry of Health of the Russian Federation

1, Ostrovityanov St., Moscow, 117997, 

18a, Bldg. 2, Zagorodnoe Shosse, Moscow, 117152

A. V. Gurov
Pirogov Russian National Research Medical University
Russian Federation

Alexander V. Gurov, Dr. of Sci. (Med.), Professor, Professor of Department of Otorhinolaryngology, Faculty of General Medicine

1, Ostrovityanov St., Moscow, 117997

A. A. Bakhtin
Scientific and Clinical Center of Otorhinolaryngology of the Federal Medico-Biological Agency
Russian Federation

Arthyr A. Bakhtin, Cand. of Sci. (Med.), Head of Division, Head of Department of Pathological Anatomy

30, Bldg. 2, Volokolamskoe Shosse, Moscow, 123182

Z. V. Murzakhanova
Pirogov Russian National Research Medical University
Russian Federation

Zulfiya V. Murzakhanova, postgraduate student, Department of Otorhinolaryngology, Faculty of General Medicine

1, Ostrovityanov St., Moscow, 117997