Irina E. Grebenuk
Saint-Petersburg Research Institute of Ear, Throat, Nose and Speech; Institute of Hearing and Speech; Medical Center Network “MasterSlukh”
Russian Federation

Irina E. Grebenuk, MD, PhD

9, Bronnitskaya Str., St. Petersburg, 190013

Moscow

Ekaterina S. Garbaruk
Saint Petersburg State Pediatric Medical University; Pavlov First Saint Petersburg State Medical University
Russian Federation

Ekaterina S. Garbaruk, PhD

Saint-Petersburg

Maria Yu. Boboshko
Pavlov First Saint Petersburg State Medical University
Russian Federation

Mariya Yu. Boboshko, MD, PhD, Professor

Saint-Petersburg

Gaziz Sh. Tufatulin
Saint-Petersburg Research Institute of Ear, Throat, Nose and Speech; Children’s City Surdology Center; I.I. Mechnikov North-Western State Medical University; Russian Medical Academy of Continuous Professional Education
Russian Federation

Gaziz Sh. Tufatulin, MD, PhD

Saint-Petersburg

Moscow