L. E. Valkova
Northern State Medical University
Russian Federation

Ludmila E. Valkova - assistant of the department  of radiology, radiotherapy and oncology Northern State Medical University.

51 Troitsky ave., Arkhangelsk 163061.

M. L. Levit
Northern State Medical University; Arkhangelsk Clinical Oncology Hospital
Russian Federation

Mikhail L. Levit - MD, PhD,  DSc,  professor of the department of radiology, radiotherapy  and oncology Northern State Medical University, doctor  of thoracic department Arkhangelsk Clinical Oncology Hospital.

51 Troitsky ave., Arkhangelsk 163061; 145/1 Obvodny canal ave., Arkhangelsk 163045.

V. M. Merabishvili
N.N. Petrov Research Institute of Oncology
Russian Federation

Vakhtang M. Merabishvili - MD, PhD, DSc, professor, head of the scientific laboratory of cancer statistics N.N.Petrov Research  Institute of Oncology, chairman  of the scientific and methodological  Council for the development  of information systems  of the oncology service of the North-West region of Russia.

68 Leningradskay str., Pesochny, St. Petersburg 197758.

A. Yu. Pankrateva
Arkhangelsk Clinical Oncology Hospital
Russian Federation

Aleksandra Yu. Pankrateva - head physician Arkhangelsk Clinical Oncology Hospital.

145/1 Obvodny canal ave., Arkhangelsk 163045.

D. M. Dubovichenko
Northern State Medical University; Arkhangelsk Clinical Oncology Hospital
Russian Federation

Daria M. Dubovichenko - oncologist of the department  of chemotherapy  Arkhangelsk  Clinical Oncology Hospital, assistant  of the department  of clinical oncology Northern State Medical University.

51 Troitsky ave., Arkhangelsk 163061; 145/1 Obvodny canal ave., Arkhangelsk 163045.

A. V. Agaeva
Arkhangelsk Clinical Oncology Hospital
Russian Federation

Anna V. Agaeva - head of the pathology department Arkhangelsk Clinical Oncology Hospital.

145/1 Obvodny canal ave., Arkhangelsk 163045.

A. Yu. Ryzhov
National Cancer Institute
Ukraine

Anton Yu. Ryzhov - National cancer  registry  of Ukraine, National cancer  Institute.

33/43 Lomonosov str., Kiev 03022.

E. F. Potekhina
Arkhangelsk Clinical Oncology Hospital
Russian Federation

Elena F. Potekhina - head of organizational and methodological department Arkhangelsk Clinical Oncology Hospital.

145/1 Obvodny canal ave., Arkhangelsk 163045.

M. Yu. Valkov
Northern State Medical University; Arkhangelsk Clinical Oncology Hospital
Russian Federation

Mikhail Yu. Valkov - MD, PhD, DSc, professor, head of the department of radiology, radiotherapy and oncology Northern State Medical University, radiotherapy doctor Arkhangelsk Clinical Oncology Hospital.

51 Troitsky ave., Arkhangelsk 163061; 145/1 Obvodny canal ave., Arkhangelsk 163045.