A.P. Bobkov – Resident, Department of Internal Medicine, Faculty of Base Medicine, 

Lomonosov Moscow State University

L.Ya. Frantsuzevich – Resident, Department of Internal Medicine, Faculty of Base Medicine, 

Lomonosov Moscow State University

T.N. Krasnova – Ph.D. (Med.), Associate Professor, Head of the Department of Internal Medicine, 

Faculty of Base Medicine, Lomonosov Moscow State University

L.M. Samokhodskaya – Ph.D. (Med.), Associate Professor, Head of the Department of Laboratory  Diagnostics, Medical Scientific-Educational Center of Lomonosov Moscow State University E-mail: eye93@mail.ru