S. D. Mayanskaya
Kazan State Medical University
Russian Federation

Svetlana D. Mayanskaya, Dr. of Scien. (Med.), Professor, Department of Hospital Therapy

O. V. Bulashova
Kazan State Medical University
Russian Federation

Olga V. Bulashova, Dr. of Scien. (Med.), Professor, S.S. Zimnitsky Department of Propaedeutics of Internal Diseases

E. I. Mukhitova
M.N. Sadykov City Clinical Hospital no 7
Russian Federation

Elza I. Mukhitova, cardiologist, cardiology department No. 4

E. V. Khazova
Kazan State Medical University
Russian Federation

Elena V. Khazova, Dr. of Scien. (Med.), Associate Professor, S.S. Zimnitsky Department of Propaedeutics of Internal Diseases