A. N. Chechko
426 Military Hospital of the Ministry of Defense of the Russian Federation
Russian Federation

Artem N. Chechko. Cand. Sci. (Med.), Head of the Otolaryngology Department

Nevskaya St., Bldg. 2, Samara, 443110

E. M. Pokrovskaya
Kazan (Volga Region) Federal University; Kazan State Medical Academy — Branch of the Russian Medical Academy of Postgraduate Education of the Ministry of Health of the Russian Federation
Russian Federation

Elena M. Pokrovskaya. Dr. Sci. (Med.), Docent, Head of the Otolaryngology and Ophthalmology Department, Institute of Fundamental Medicine and Biology; Professor of the Otolaryngology Department

Kremlevskaya St., Bldg. 18, Kazan, 420008

Mushtari St., Bldg. 11, Kazan, 420012

V. N. Krasnozhen
Kazan State Medical Academy — Branch of the Russian Medical Academy of Postgraduate Education of the Ministry of Health of the Russian Federation
Russian Federation

Vladimir N. Krasnozhen. Dr. Sci. (Med.), Professor, Head of the Otolaryngology Department

Mushtari St., Bldg. 11, Kazan, 420012

S. V. Zinchenko
Kazan (Volga Region) Federal University
Russian Federation

Sergey V. Zinchenko. Dr. Sci. (Med.), Docent, Head of the Surgery Department, Institute of Fundamental Medicine and Biology

Kremlevskaya St., Bldg. 18, Kazan, 420008