V. A. Rozhnov
A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre, 4, Koroleva Street, 249036-Obninsk, Kaluga region, Russia.
Russian Federation

MD, DSc, Leading Researcher, Department of Radiotherapy and Surgery for Diseases of the Upper Respiratory Tract, A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre (Obninsk, Kaluga region, Russian Federation). SPIN-code: 2122-4410.

V. G. Andreev
A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre, 4, Koroleva Street, 249036-Obninsk, Kaluga region, Russia.
Russian Federation

MD, DSc, Professor, Leading Researcher, Head of the Department of Radiotherapy and Surgery for Diseases of the Upper Respiratory Tract, A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre (Obninsk, Kaluga region, Russian Federation). SPIN-code: 9163-8490.

K. B. Gordon
A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre, 4, Koroleva Street, 249036-Obninsk, Kaluga region, Russia.
Russian Federation

Researcher, Radiologist, Department of Distant Beam Radiation Therapy, A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre (Obninsk, Kaluga region, Russian Federation). SPIN-code: 2045-4565.

I. A. Gulidov
A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre, 4, Koroleva Street, 249036-Obninsk, Kaluga region, Russia.
Russian Federation

MD, Professor, Head of the Department of Distant Beam Radiation Therapy, A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre (Obninsk, Kaluga region, Russian Federation). SPIN-code: 2492-5581.

E. D. Akki
A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre, 4, Koroleva Street, 249036-Obninsk, Kaluga region, Russia.
Russian Federation

Researcher, Department of Radiotherapy and Surgery for Diseases of the Upper Respiratory Tract, A.F. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre (Obninsk, Kaluga region, Russian Federation). SPIN-code: 3225-2078.