A. I. Chavga
Ulyanovsk State University; State Healthcare Institution “Ulyanovsk Regional Clinical Center for Specialized Types of Medical Care named after Honored Doctor of Russia E.M. Chuchkalov”
Russian Federation

Chavga Andrey Ivanovich – Candidate of Medical Sciences, Associate Professor of the Department of Hospital Surgery, Anesthesiology, Intensive Care, Urology, Traumatology and Orthopedics; surgeon, 6th Surgical Department 

42 L. Tolstogo str., Ulyanovsk, 432017;
432063, Ulyanovsk, Koryukina str., 28

O. V. Midlenko
Ulyanovsk State University; State Healthcare Institution “Ulyanovsk Regional Clinical Center for Specialized Types of Medical Care named after Honored Doctor of Russia E.M. Chuchkalov”
Russian Federation

Midlenko Oleg Vladimirovich – Doctor of Medical Sciences, Associate Professor, Professor of the Department of Hospital Surgery, Anesthesiology, Intensive Care, Urology, Traumatology and Orthopedics; surgeon, 6th Surgical Department 

42 L. Tolstogo str., Ulyanovsk, 432017;
432063, Ulyanovsk, Koryukina str., 28

V. I. Midlenko
Ulyanovsk State University; State Healthcare Institution “Ulyanovsk Regional Clinical Center for Specialized Types of Medical Care named after Honored Doctor of Russia E.M. Chuchkalov”
Russian Federation

Midlenko Vladimir Ilyich – Doctor of Medical Sciences, Professor, Head of the Department of Hospital Surgery, Anesthesiology, Intensive Care, Urology, Traumatology and Orthopedics; surgeon, 6th Surgical Department 

42 L. Tolstogo str., Ulyanovsk, 432017;
432063, Ulyanovsk, Koryukina str., 28