M. Yu. Rykov
FSBSI "N.N. Blokhin RCRC"
Russian Federation

Maxim Yurievich Rykov, PhD, researcher at the Department of tumors of the musculoskeletal system

115478, Moscow, Kashirskoe sh., 24, tel .: + 7- 916-187-52-61 

A. Z. Dzampaev
FSBSI "N.N. Blokhin RCRC"
Russian Federation

Aslan Zelimhanovich Zampaev, PhD, Head of the Department of tumors of the musculoskeletal system 

115478, Moscow, Kashirskoe sh. 24 

V. G. Polyakov
FSBSI " N.N. Blokhin RCRC" ; GBOU DPO RMAPO Health Ministry
Russian Federation

Vladimir Georgievich Polyakov, Academician, MD, Professor, Deputy Director of the Institute of Pediatric Oncology and Hematology, head of the department head and neck tumors Institute of Pediatric Oncology and Hematology, head of the Department of Pediatric Oncology, chief pediatric oncologist Health Ministry

115478, Moscow, Kashirskoe sh. 24