V. A. Ionin
Pavlov University
Russian Federation

Ionin Valery A., PhD, Senior Researcher, Associate Professor, Department of Faculty Therapy 

6-8, L’va Tolstogo str., Saint Petersburg, 197022

V. A. Berdysheva
Pavlov University
Russian Federation

Berdysheva Viktoriia A., postgraduate student, assistant, Department of Faculty Therapy 

6-8, L’va Tolstogo str., Saint Petersburg, 197022

A. S. Vakulenko
Pavlov University
Russian Federation

Vakulenko Anastasia S., 6th year Student, Medical Faculty 

6-8, L’va Tolstogo str., Saint Petersburg, 197022

E. I. Baranova
Pavlov University
Russian Federation

Baranova Elena I., MD, PhD, DSc, FESC, Professor, Department of Faculty Therapy, Head of Research Laboratory 

6-8, L’va Tolstogo str., Saint Petersburg, 197022