D. A. Tulupov
Russian Medical Academy of Continuous Professional Education; Filatov City Children’s Clinical Hospital
Russian Federation

Denis A. Tulupov - Cand. Sci. (Med.), Associate Professor of the Department of Pediatric Otorhinolaryngology named after Prof. B.V. Shevrygin, Russian Medical Academy of Continuous Professional Education; Otorhinolaryngologist, Filatov CCCH.

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993; 15, Sadovaya-Kudrinskaya St., Moscow, 123001

E. P. Karpova
Russian Medical Academy of Continuous Professional Education
Russian Federation

Elena P. Karpova - Dr. Sci. (Med.), Professor, Head of the Department of Pediatric Otorhinolaryngology named after Prof. B.V. Shevrygin.

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993