A. S. Kovalenko
State educational government-financed institution of higher professional education «Sechenov First Moscow state medical university»
Russian Federation

Kovalenko Anna S. — resident of the chair of internal diseases propedeutics

119991, Moscow, Pogodinskaya street, 1, bld 1. 

A. F. Sheptulina
State educational government-financed institution of higher professional education «Sechenov First Moscow state medical university»
Russian Federation

Sheptulina Anna F. — MD fellow, Chair of internal diseases propedeutics

V. T. Ivashkin
State educational government-financed institution of higher professional education «Sechenov First Moscow state medical university»
Russian Federation

Ivashkin Vladimir T. — MD, PhD, professor, academician of the Russian Academy of Science, head of the chair of internal diseases propedeutics, medical faculty