N. V. Korochanskaya
Kuban State Medical University; Regional Clinical Hospital No. 2
Russian Federation

Natalia V. Korochanskaya — Dr. Sci. (Med.), Professor of the Department of Surgery No. 3; Head of the Gastroenterology Center 

350063, Krasnodar, Sedina str., 4 

I. L. Kliaritskaya
S.I. Georgievsky Medical Academy, V.I. Vernadsky Crimean Federal University
Russian Federation

Irina L. Kliaritskaya — Dr. Sci. (Med.), Professor, Head of the Department of Therapy, Gastroenterology, Cardiology and General Medical Practice (Family  Medicine) 

295017, Simferopol, Lenina blvd, 5/7 

S. N. Serikova
Kuban State Medical University; Regional Clinical Hospital No. 2
Russian Federation

Svetlana N. Serikova — Dr. Sci. (Med.), Professor of the Department of Surgery No. 3; Head of the Gastroenterology Center

350063, Krasnodar, Sedina str., 4 

A. V. Tkachev
Rostov State Medical University
Russian Federation

Alexandr V. Tkachev — Dr. Sci. (Med.), Professor, Head of the Department of Internal Medicine Propaedeutics

344022, Rostov-on-Don, Nakhichevansky lane, 29 

M. V. Koroleva
City Clinical Hospital of Emergency Medical Care No. 25
Russian Federation

Marina V. Koroleva — Dr. Sci. (Med.), Chief Physician

400138, Volgograd, Zemlyachki str., 74 

M. A. Basenko
Kuban State Medical University.
Russian Federation

Mikhail A. Basenko — Postgraduate, Department of Surgery No. 3, 

350063, Krasnodar, Sedina str., 4