W. H.A. Suaifan
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Wisam H.A. Suaifan, Postgraduate Student of the Department of Ear, Nose and Throat Diseases, Institute of Clinical Medicine named after N.V. Sklifosovsky

8, Bldg. 2, Trubetskaya St., Moscow, 119991, Russia

K. V. Eremeeva
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Ksenia V. Eremeeva, Cand. Sci. (Med.), Associate Professor of the Department of Ear, Nose and Throat Diseases, Institute of Clinical Medicine named after N.V. Sklifosovsky

8, Bldg. 2, Trubetskaya St., Moscow, 119991, Russia

S. V. Morozova
Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation

Svetlana V. Morozova, Dr. Sci. (Med.), Professor of the Department of Ear, Nose and Throat Diseases, Institute of Clinical Medicine named after N.V. Sklifosovsky

8, Bldg. 2, Trubetskaya St., Moscow, 119991, Russia