I. M. Vorotnikov
Ulyanovsk Regional Blood Donor Center, Ulyanovsk, Ulyanovsk State University, Ulyanovsk
Russian Federation

Head of the Visiting Team, Postgraduate,

E-mail: Batman26121989@mail.ru

V. A. Razin
Ulyanovsk State University, Ulyanovsk
Russian Federation

Doctor of Sciences (Medicine), Professor of the Faculty Therapy Department,

E-mail: razin1975@mail.ru

I. M. Lamzin
Ulyanovsk Regional Blood Donor Center, Ulyanovsk
Russian Federation

Candidate of Sciences (Medicine), Head, Department of Procurement of Blood and Its
Components,

E-mail: ivanlamzin@gmail.com

M. E. Khapman
Ulyanovsk Regional Blood Donor Center, Ulyanovsk
Russian Federation

Candidate of Sciences (Medicine), Chief Medical Officer