M. V. Kruchinina
Research Institute of Internal and Preventive Medicine — Branch of the Institution of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences; Novosibirsk State Medical University
Russian Federation

Margarita V. Kruchinina — Dr. Sci. (Med.), Professor, Head of the Gastroenterology Laboratory, Leading Researcher of the Gastroenterology Laboratory; Professor of the Department of Propaedeutics of Internal Diseases

630089, Novosibirsk, Borisa Bogatkova str., 175/1

M. F. Osipenko
Novosibirsk State Medical University
Russian Federation

Marina F. Osipenko — Dr. Sci. (Med.), Professor, Head of the Department of Propaedeutics of Internal Diseases

630091, Novosibirsk, Krasny Ave., 52

A. V. Khristonko
Research Institute of Internal and Preventive Medicine – Branch of the Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences
Russian Federation

Anna V. Khristonko — Resident, Gastroenterology Laboratory

630089, Novosibirsk, Borisa Bogatkova str., 175/1

A. I. Valuyskikh
Research Institute of Internal and Preventive Medicine – Branch of the Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences
Russian Federation

Alexander I. Valuiskikh — Postgraduate

630089, Novosibirsk, Borisa Bogatkova str., 175/1