L. E. Valkova
Northern State Medical University of the Ministry of Health of the Russia
Russian Federation

Lyudmila E. Valkova, Assistant of the Department of Radiology, Radiation Therapy and Oncology, 

51, Troitsky Ave., 163069, Arkhangelsk

A. A. Dyachenko
Northern State Medical University of the Ministry of Health of the Russia
Russian Federation

Andrey A. Dyachenko, Assistant of the Department of Radiology, Radiation Therapy and Oncology, 

51, Troitsky Ave., 163069, Arkhangelsk

V. M. Merabishvili
N.N. Petrov National Medical Research Center of Oncology of the Ministry of Health of the Russia
Russian Federation

Vakhtang M. Merabishvili, MD, Professor, Chairman of the Scientific and Methodological Council for the Development of Information Systems of the Oncological Service of the North-West Region of Russia, Head of the Scientific Laboratory of Cancer Statistics,

68, Leningradskaya St., 197758, St. Petersburg, Pesochny

D. V. Bogdanov
Northern State Medical University of the Ministry of Health of the Russia; Arkhangelsk Clinical Cancer Center
Russian Federation

Dmitry V. Bogdanov, Assistant, Institute of Public Health, Health Care and Social Work, 51, Troitsky Ave., 163069, Arkhangelsk;

Chief Physician, 145, Obvodny Canal Ave., 163045, Arkhangelsk

A. V. Berezin
Northern State Medical University of the Ministry of Health of the Russia; Arkhangelsk Clinical Cancer Center
Russian Federation

Andrey V. Berezin, Associate Professor of the Department of Radiation Diagnostics, Radiation Therapy and Oncology, 51, Troitsky Ave., 163069, Arkhangelsk;

Deputy Chief Physician, 145, Obvodny Canal Ave., 163045, Arkhangelsk

E. F. Potekhina
Arkhangelsk Clinical Cancer Center
Russian Federation

Elena F. Potekhina, Head of the Organizational and Methodological Department,

145, Obvodny Canal Ave., 163045, Arkhangelsk

M. Yu. Valkov
Northern State Medical University of the Ministry of Health of the Russia; Arkhangelsk Clinical Cancer Center
Russian Federation

Mikhail Yu. Valkov, MD, Professor, Head of the Department of Radiation Diagnostics, Radiation Therapy and Oncology, 51, Troitsky Ave., 163069, Arkhangelsk;

radiotherapist, radiotherapy day hospital, 145, Obvodny Canal Ave., 163045, Arkhangelsk