Alexander N. Nikanov
Northwest Scientific Centre of Hygiene and Public Health
Russian Federation

Cand. of Sci. (Med.), Head of the Clinical Research Department

Andrey B. Gudkov
Northern State Medical University
Russian Federation

Dr. of Sci. (Med.), Professor, Honored Worker of the Higher School of the Russian Federation, Head of the Department of Hygiene and Medical Ecology

Nadezhda I. Kuprina
Northwest Scientific Centre of Hygiene and Public Health
Russian Federation

Radiologist of the Clinical Research Department

Olga N. Popova
Northern State Medical University
Russian Federation

Dr. of Sci. (Med.), Professor of the Department of Hygiene and Medical Ecology

Sergey P. Ermolin
Northern State Medical University
Russian Federation

Cand. of Sci. (Med.), Associate Professor of the Department of Hygiene and Medical Ecology