O.V. Somonova – 

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

A.I. Evdokimova Moscow State Medical and Dental University 

E-mail: somonova@mail.ru S.L. Teodorovich – oncologist, N.N. Blokhin National Medical Research Center of Oncology (Moscow)

A.L. Elizarova – 

Ph.D. (Biol.), Senior Research Scientist, N.N. Blokhin National Medical Research Center of Oncology (Moscow)

E-mail: anna_el@rambler.ru N.E. Kushlinskii – 

Ph.D. (Med.), Professor, Corresponding member of RAS, Head of the Department of Clinical Biochemistry 

and Laboratory Diagnostics, A.I. Evdokimov Moscow State Medical and Dental University E-mail: biochimia@yandex.ru