I.S. MYKHAILICHENKO1, V.A. BAGRIY2, A.YU. ANDRUSYAK1, I.A. GOLODNIKOV1  1M. Gorky Donetsk National Medical University, Donetsk, Donetsk People’s Republic 2Central City Clinical Hospital No. 1, Donetsk, Donetsk People’s Republic  Contact details: Mykhailichenko I.S. — PhD (medicine), Assistant Lecturer of the Department of Department of Internal Diseases No. 2 Address: 16 Illicha Ave., Donetsk, Donetsk People’s Republic. […]