I. N. Odintsova
Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences , Tomsk 5, Kooperativny Street, 634009-Tomsk, Russia Siberian State Medical University, Tomsk 5, Kooperativny Street, 634009-Tomsk, Russia
Russian Federation

MD, DSc, Head of Epidemiology Laboratory, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences (Tomsk, Russian Federation)

L. F. Pisareva
Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences , Tomsk
Russian Federation

MD, DSc, Professor, Principle Investigator, Epidemiology Laboratory, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences (Tomsk, Russian Federation)

O. A. Ananina
Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences , Tomsk
Russian Federation

MD, PhD, Leading Researcher, Epidemiology Laboratory, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences (Tomsk, Russian Federation)

O. V. Cheremisina
Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences , Tomsk
Russian Federation

MD, DSc, Head of Endoscopy Department, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences (Tomsk, Russian Federation)