T. V. Polivanova
Research Institute of Medical Problems of the North, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences; Krasnoyarsk State V. Voino-Yasenetsky Medical University
Russian Federation

Polivanova T.V., PhD, MD (Medicine), Chief Research Associate, Clinical Department of Pathology of the Digestive System in Adults and Children; Associate Professor, Department of Pathological Physiology 

Krasnoyarsk

V. A. Vshivkov
Research Institute of Medical Problems of the North, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences
Russian Federation

Vshivkov V.A., PhD (Medicine), Senior Research Associate, Clinical Department of Pathology of the Digestive System in Adults and Children 

Krasnoyarsk

T. N. Akhmetshin
Research Institute of Medical Problems of the North, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences
Russian Federation

Akhmetshin T.N., Postgraduate Student 

Krasnoyarsk