V. А. Derzhavin
P.A. Hertsen Moscow Research Institute of Oncology, 3, 2-nd Botkinsky proezd, 125284, Moscow
Russian Federation

MD, PhD, Scientific Associate, Department of Surgical Treatment for Tumors of the Central Nervous and Musculoskeletal  System, P.A. Gertsen Moscow Research Institute of Oncology (Moscow). Russia. SPIN-code: 1811-2737.

А. V. Bukharov
P.A. Hertsen Moscow Research Institute of Oncology, 3, 2-nd Botkinsky proezd, 125284, Moscow
Russian Federation

MD, PhD, Senior Researcher, of the Group of Bone and Soft Tissue Tumors, Department of Surgical Treatment for Tumors of the Central Nervous and Musculoskeletal System, P.A. Gertsen Moscow Research Institute of Oncology (Moscow). Russia. SPIN-code: 8349-0930.

V. Yu. Karpenko
P.A. Hertsen Moscow Research Institute of Oncology, 3, 2-nd Botkinsky proezd, 125284, Moscow
Russian Federation

MD, PhD, Head of the Group of Bone and Soft Tissue Tumors, Department of Surgical Treatment for Tumors of the Central Nervous and Musculoskeletal System, P.A. Gertsen Moscow Research Institute of Oncology (Moscow). Russia.  SPIN-code: 1360-8298

А. V. Yadrina
I.M. Sechenov Moscow State Medical University, Moscow
Russian Federation

Intern, Department of Oncology, P.A. Gertsen Moscow Research Institute of Oncology (Moscow). Russia.

М. S. Andreev
I.M. Sechenov Moscow State Medical University, Moscow
Russian Federation

Postgraduate student, Department of Oncology and Radiotherapy, N.M. Sechenov «First Moscow State Medical University» (Moscow). Russia.