I. B. Bashkova
Chuvash State University named after I.N. Ulyanov; Federal Center for Traumatology, Orthopedics and Arthroplasty (Cheboksary)
Russian Federation

Inna B. Bashkova, Cand. Sci (Med.), Associate Professor, Associate Professor of the Department of Hospital Therapy, Chuvash State University named after I.N. Ulyanov; Rheumatologist, Federal Center for Traumatology, Orthopedics and Arthroplasty (Cheboksary)

15, Moskovsky Ave., Cheboksary, Chuvash Republic, 428015;
33, Fedor Gladkov St., Cheboksary, Chuvash Republic, 428020

I. V. Madyanov
Chuvash State University named after I.N. Ulyanov; Institute for Advanced Training of Doctors
Russian Federation

Igor V. Madyanov, Dr. Sci. (Med.), Professor, Professor of the Department of Hospital Therapy, Chuvash State University named after I.N. Ulyanov; Professor of the Department of Therapy and General Medical Practice, Institute for Advanced Training of Doctors

15, Moskovsky Ave., Cheboksary, Chuvash Republic, 428015;
27, Mikhail Sespel St., Cheboksary, Chuvash Republic, 428018