O. R. Esin
Kazan Federal University; Otorhinolaryngology Clinic LLC
Russian Federation

Oleg R. Esin - Cand. Sci. (Med.), Associate Professor of Department of Neurology with Psychiatry, Clinical Psychology and Medical Genetics Courses, Kazan Federal University; Neurologist, Otorhinolaryngology Clinic LLC.

18, Kremlyovskaya St., Kazan, 420008; 12, Daurskaya St., Kazan, 420059

A. I. Mashtakova
Kazan Federal University
Russian Federation

Aleksandra I. Mashtakova - Clinical Resident of Department of Neurology with Psychiatry, Clinical Psychology and Medical Genetics Courses.

18, Kremlyovskaya St., Kazan, 420008

R. G. Esin
Kazan Federal University; Kazan State Medical Academy – a branch of the Russian Medical Academy of Continuing Professional Education
Russian Federation

Radiy G. Esin - Professor of Department of Neurology with Psychiatry, Clinical Psychology and Medical Genetics Courses, Kazan Federal University; Professor of Department of Neurology, Kazan SMA – a branch of the RMA of Continuing Professional Education.

18, Kremlyovskaya St., Kazan, 420008; 36, Butlerov St., Kazan, 420012