V. N. Vasilkova
Gomel State Medical University
Belarus

Vasilkova Volha N. – PhD, Associate Professor, Associate Professor of the Department of Internal Diseases № 1 with courses of endocrinology and hematology

Gomel, 5, Lange str., Gomel, Belarus, 246000

I. Yu. Pchelin
Saint Petersburg State University
Russian Federation

Pchelin Ivan Yu. – PhD, Associate Professor, performing clinical work, Department of Faculty Therapy

7/9 Universitetskaya embankment, Saint Petersburg, 199034

T. V. Mokhort
Belarusian State Medical University
Belarus

Mokhort Tatsiana V. – PhD, Professor, Head of the Department of Endocrinology

83, Dzerzhinskogo pr., Minsk, 220116