A. V. Kosulin
Saint-Petersburg State Pediatric Medical University
Russian Federation

Artem Vladimirovich Kosulin, assistant Professor, Department of Operative Surgery and Topographic Anatomy n.a. F.I. Valker

2 Litovskaya str., St. Petersburg, 194100

D. V. Elyakin
Saint-Petersburg State Pediatric Medical University
Russian Federation

Dmitry Viktorovich Elyakin, pediatric surgeon, Surgical Department No.2

2 Litovskaya str., St. Petersburg, 194100

L. A. Kornievskiy
Saint-Petersburg State Pediatric Medical University
Russian Federation

Leonid Aleksandrovich Kornievskiy, assistant professor, Department of Otorhinolaryngology

2 Litovskaya str., St. Petersburg, 194100

A. M. Darkovskaya
Saint-Petersburg State Pediatric Medical University
Russian Federation

Aleksandra Maksimovna Darkovskaya, student, Pediatric Faculty

2 Litovskaya str., St. Petersburg, 194100

I. A. Bulatova
Saint-Petersburg State Pediatric Medical University
Russian Federation

Irina Anatolyevna Bulatova, MD, PhD, associate professor, Department of Operative Surgery and Topographic Anatomy n.a. F.I. Valker

2 Litovskaya str., St. Petersburg, 194100

A. A. Pashko
Saint-Petersburg State Pediatric Medical University
Russian Federation

Anna Anatolyevna Pashko, MD, PhD, associate professor, Department of Operative Surgery and Topographic Anatomy n.a. F.I. Valker

2 Litovskaya str., St. Petersburg, 194100