I.S. Chernomaz – 

Post-graduate Student, Department of Clinical Biochemistry and Laboratory Diagnostics, 

A.I. Evdokimov Moscow State Medical and Dental University of the Ministry of Health of Russia (Moscow)

I.V. Babkina – 

Dr.Sc. (Med.), Professor, Department of Clinical Biochemistry and Laboratory Diagnostics, 

A.I. Evdokimov Moscow State Medical and Dental University of the Ministry of Health of Russia (Moscow) E-mail: docbabkina@rambler.ru

E.S. Gershtein – 

Dr.Sc. (Biol.), Professor, Leading Research Scientist,

N.N. Blokhin National Medical Research Center of Oncology of the Ministry of Health of Russia (Moscow)

A.V. Bondarev – 

Oncologist, Moscow Oncological Hospital № 62 (Moscow)

Yu. M. Shchupak – 

Oncologist, Head of Surgical Department, Moscow Oncological Hospital № 62 (Moscow)

I.V. Boulitcheva – 

Dr.Sc. (Med.), Pathologist, 

N.N. Blokhin National Medical Research Center of Oncology of the Ministry of Health of Russia (Moscow)

M.D. Aliev – 

Dr.Sc. (Med.), Professor, Academician of RAS, Advisor to the Director of the Scientific Research Center for Radiology, Ministry of Health of Russia, 

President of the «East European Group for the Study of Sarcomas» (Moscow)