O. A. Kharkova
Northern State Medical University
Russian Federation

Olga A. Kharkova — Cand. of Sci. (Psychol.), associate professor, Department of Research Methodology, Dean of the Faculty of Clinical Psychology, Social Work and Adaptive Physical Education

Troitskiy Av., Arkhangelsk, 163069

V. N. Kuznetsov
University Hospital of Northern Sweden
Sweden

Vladimir N. Kuznetsov — Cand. of Sci. (Med.)

Daniel Naezéns väg, 907 37 Umeå

K. K. Kholmatova
Northern State Medical University
Russian Federation

Kamila K. Kholmatova — Cand. of Sci (Med.), MPH, Associate Professor of the Department of Hospital Therapy and Endocrinology, Researcher of the International Research Competence Center

Troitsky Av., 51; 163069 Arkhangelsk

A. M. Grjibovski
Northern State Medical University; North-Eastern Federal University
Russian Federation

Andrej M. Grjibovski — Doctor of Medicine, Head of the Directorate for Research and Innovations, Director of the Central Scientific Research Laboratory ; Professor at the Department of Public Health, Public Health, General Hygiene and Bioethics 

51 Troitskiy Av., Arkhangelsk, 163069 ; 42 Kulakovskogo St., Yakutsk; Sakha (Yakutia) Republic, 677007