A. I. Ivanov
Republican Clinical Саnсеr Center; Kazan Federal Univesity; Kazan State Medical Academy
Russian Federation

Ivanov Aleksej I., Head of the Endoscopy Department; Associate Professor of the Department of Fundamental Principles of Clinical Medicine, Institute of Fundamental Medicine and Biology; Dr. of Sci. (Med.), Associate Professor of the Department of Endoscopy, General and Endoscopic Surgery

Kazan

V. A. Popov
Republican Clinical Hospital
Russian Federation

Popov Vladimir A., Endoscopist of the Endoscopy Department, Research Fellow of the Research Department

138, Orenburg tract, Kazan, 420064

M. V. Burmistrov
Republican Clinical Hospital; Kazan Federal Univesity; Kazan State Medical Academy
Russian Federation

Burmistrov Mihail V., Deputy Chief Doctor for Treatment; Head of the Department of Surgical Diseases of Postgraduate Education, Institute of Fundamental Medicine and Biology; Dr. of Sci. (Med.), Professor of the Department of Oncology, Radiology and Palliative Medicine

Kazan