G. G. Nakopiya
City Pokrovskaya Hospital

Nakopiya Gennady G., Head of the Surgical Department,

85, Bolshoy Prospekt VO, Saint Petersburg, 199106

S. A. Danilov
City Pokrovskaya Hospital; St. Petersburg State Pediatric Medical University
Russian Federation

Danilov Sergey A., Cand. of Sci. (Med.), Surgeon, 85, Bolshoy Prospekt VO, Saint Petersburg, 199106;

Assistant of the Department of Faculty Surgery, St. Petersburg 

Yu. V. Radionov
City Pokrovskaya Hospital; St. Petersburg State Pediatric Medical University

Radionov Yury V., Cand. of Sci. (Med.), Surgeon, 85, Bolshoy Prospekt VO, Saint Petersburg, 199106;

Assistant of the Department of Faculty Surgery, St. Petersburg

Yu. V. Grebtsov
City Pokrovskaya Hospital; North-Western State Medical University named after I. I. Mechnikov

Grebtsov Yuri V., Cand. of Sci. (Med.), Surgeon, 85, Bolshoy Prospekt VO, Saint Petersburg, 199106;

Assistant of the Department of Faculty Surgery, Saint Petersburg

E. V. Pykhtin
City Pokrovskaya Hospital

Pykhtin Evgeny V., Cand. of Sci. (Med.), Surgeon, 

85, Bolshoy Prospekt VO, Saint Petersburg, 199106

N. Yu. Kohanenko
St. Petersburg State Pediatric Medical University

Kohanenko Nikolai Yu., Dr. of Sci. (Med.), Professor, Head of the Department of Faculty Surgery named after A. A. Rusanov,

St. Petersburg

Yu. N. Ulyanov
St. Petersburg State Pediatric Medical University

Ulyanov Yury N., Dr. of Sci. (Med.), Professor of the Department of Faculty Surgery named after A. A. Rusanov,

St. Petersburg

I. A. Nechay
Multidisciplinary Clinic MedSwiss

Nechay Igor A., Dr. of Sci. (Med.), Head of the Department of Coloproctology,

Saint Petersburg