A. M. Efremenkov
Central Clinical Hospital of the Presidential Administration of the Russian Federation; Russian Medical Academy of Continuous Professional Education of the Ministry of Healthcare of the Russian Federation
Russian Federation

Artem M. Efremenkov – Cand. of Sci. (Med.), Head of the Pediatric Surgical Department, Central Clinical Hospital of the Presidential Administration of the Russian Federation; Associate Professor of the Department of Pediatric Surgery named after academician S.Ya. Doletsky, Russian Medical Academy of Continuous Professional Education 

15, Marshala Timoshenko str., Moscow, 121359 

2/1 bld. 1, Barrikadnaya str., Moscow, 125993 

E. N. Solodinina
Central Clinical Hospital of the Presidential Administration of the Russian Federation; Central State Medical Academy of the Presidential Administration of the Russian Federation
Russian Federation

Elena N. Solodinina – Doct. of Sci. (Med.), Head of the Endoscopy Department, Central Clinical Hospital of the Presidential Administration of the Russian Federation; Associate Professor of the Department of Surgery with courses in Endoscopy and Pediatric Surgery, Central State Medical Academy of the Presidential Administration of the Russian Federation 

15, Marshala Timoshenko str., Moscow, 121359 

19 bld. 1A, Marshala Timoshenko str., Moscow, 121359 

A. P. Zykin
Central Clinical Hospital of the Presidential Administration of the Russian Federation; Russian Medical Academy of Continuous Professional Education of the Ministry of Healthcare of the Russian Federation
Russian Federation

Alexandr P. Zykin – Cand. of Sci. (Med.), Pediatric Surgeon, Endoscopist at the Pediatric Surgical Department, Central Clinical Hospital of the Presidential Administration of the Russian Federation; Assistant Professor of the Department of Pediatric Surgery named after academician S.Ya. Doletsky, Russian Medical Academy of Continuous Professional Education 

15, Marshala Timoshenko str., Moscow, 121359 

2/1 bld. 1, Barrikadnaya str., Moscow, 125993 

N. V. Fomicheva
Central Clinical Hospital of the Presidential Administration of the Russian Federation
Russian Federation

Natalia V. Fomicheva – Cand. of Sci. (Med.), Endoscopist of the Endoscopy Department 

15, Marshala Timoshenko str., Moscow, 121359