S. N. Mekhtiev
Academician I.P. Pavlov First St. Petersburg State Medical University; Gastroenterological Center “Expert”
Russian Federation

Sabir N. Mekhtiev — Dr. Sci. (Med.), Professor of the Department of Hospital Therapy with a course of Allergology and Immunology named after Academician M.V. Chernorutsky with the clinic; Chief Physician

197022, Saint Petersburg, L’va Tolstogo str., 6–8

O. A. Mekhtieva
Academician I.P. Pavlov First St. Petersburg State Medical University; Gastroenterological Center “Expert”
Russian Federation

Olga A. Mekhtieva — Cand. Sci. (Med.), Associate Professor of the Department of Hospital Therapy with a course of Allergology and Immunology named after Academician M.V. Chernorutsky with the clinic; Gastroenterologist

197022, Saint Petersburg, L’va Tolstogo str., 6–8

E. Yu. Kalinina
St. Petersburg State Pediatric Medical University; Smorodintsev Research Institute of Influenza
Russian Federation

Elena Yu. Kalinina — Cand. Sci. (Med.), Associate Professor of the Department of Pathological Anatomy with a course of Forensic Medicine; Leading Researcher, Laboratory of Drug Safety

194100, Saint Peterburg, Litovskaya str., 2

V. E. Karev
Pediatric Research and Clinical Center for Infectious Diseases under the Federal Medical Biological Agency
Russian Federation

Vadim E. Karev — Dr. Sci. (Med.), Head of the Department of Tissue and Pathomorphological Research Methods

197022, Saint Peterburg, Professora Popova str., 9

A. V. Vanyan
North-Western Regional Scientific and Clinical Center named after L.G. Sokolov of the Federal Medical Biological Agency; Gastroenterological Center “Expert”
Russian Federation

Arsen V. Vanyan — Endoscopist; Endoscopis

194291, Saint Petersburg, Kultury ave., 4.

O. M. Berko
Gastroenterological Center “Expert”
Russian Federation

Olesya M. Berko — Gastroenterologist

197110, Saint Petersburg, Pionerskaya str., 16