A. Ya. Dimitrenko
V. Zelman Institute for Medicine and Psychology, Novosibirsk State University
Russian Federation

Internal Medicine Resident, Center for Postgraduate Medical Education

1, Pirogova str., Novosibirsk, 630090, Russian Federation

V. O. Omelchenko
Research Institute of Clinical and Experimental Lymphology, Russian Academy of Sciences
Russian Federation

Rheumatologist, Internist, Junior Research Scientist, Laboratory of Connective Tissue Disease

2, Timakova str., Novosibirsk, 630117, Russian Federation

E. A. Letyagina
Research Institute of Clinical and Experimental Lymphology, Russian Academy of Sciences
Russian Federation

M.D., Cand. Sci. (Med.), Rheumatologist, Internist, Head of the Rheumatology Department of the RICEL Clinic; Senior Research Scientist, Laboratory of Connective Tissue Disease

2, Timakova str., Novosibirsk, 630117, Russian Federation

M. A. Korolev
Research Institute of Clinical and Experimental Lymphology, Russian Academy of Sciences
Russian Federation

M.D., Cand. Sci. (Med.), Rheumatologist, Head of the Laboratory of Connective Tissue Disease

2, Timakova str., Novosibirsk, 630117, Russian Federation