N. V. Makarova
I. N. Ulianov Chuvash State University, Cheboksary
Russian Federation

Doctor of Science (Medicine), Professor, Department of Faculty and Hospital Therapy

L. V. Tarasova
Surgut State University, Surgut Regional Clinical Hospital, I. N. Ulianov Chuvash State University, Cheboksary
Russian Federation

Doctor of Science (Medicine), Professor, Internal Diseases Department, Medical Institute, Deputy, Chief Medical Officer, for Therapeutic Service, Head, Faculty and Hospital Therapy Department

E. I. Busalaeva
I. N. Ulianov Chuvash State University, Cheboksary, Department of Internal and Family Medicine, Postgraduate Doctors’ Training Institute, Cheboksary.
Russian Federation

PhD (Medicine), Associate Professor, Department of Faculty and Hospital Therapy, Associate Professor Department of Internal and Family
Medicine

I. V. Opalinskaya
I. N. Ulianov Chuvash State University, Cheboksary
Russian Federation

PhD (Medicine), Associate Professor, Department of Faculty and Hospital Therapy