L. A. Lazareva
Kuban State Medical University
Russian Federation

Larisa A. Lazareva  — Dr. Sci. (Med.), Prof., Chair of Otorhinolaryngology.

Mitrofana Sedina str., 4, Krasnodar, 350063; tel.: +7 (918) 486-86-80

S. A. Azamatova
Kuban State Medical University; Adygeyan Republican Centre for Hearing Rehabilitation
Russian Federation

Saida A. Azamatova — Physician (audiology, otorhinolaryngology), Adygeyan Republican Centre for Hearing Rehabilitation Adygeyan RCH, postgraduate student (extramural), Chair of Otorhinolaryngology KubSMU.

Zhukovskogo str., 4, Maykop, 385000

S. L. Kovalenko
Kuban State Medical University; Municipal Audiology Room, Children’s City Polyclinic No. 1
Russian Federation

Svetlana L. Kovalenko — Cand. Sci. (Med.), Research Assistant, Chair of Otorhinolaryngology KubSMU, physician (audiology, otorhinolaryngology), Municipal Audiology Room, Children’s City Polyclinic No. 1.

Turgeneva str., 23, Krasnodar, 350004

I. S. Elizbaryan
Kuban State Medical University
Russian Federation

Igor S. Elizbaryan — clinical resident (2 year), Chair of Otorhinolaryngology KubSMU.

Mitrofana Sedina str., 4, Krasnodar, 350063