A. L. Charyshkin
“Ulyanovsk State University”, Institute of Medicine, Ecology and Physical Culture
Russian Federation

Aleksey L. Charyshkin - Dr. Med. Sci., Professor, Head of the Department of Intermediate Level Surgery

42 Lva Tolstogo St., Ulyanovsk 432017

I. I. Gumerov
“Ulyanovsk State University”, Institute of Medicine, Ecology and Physical Culture; “Ulyanovsk Regional Clinical Hospital”
Russian Federation

Ildus I. Gumerov - Cand. Med. Sci., Head of the Thoracic and Surgical Department of the Ulyanovsk Regional Clinical Hospital

42 Lva Tolstogo St., Ulyanovsk 432017, 

7 Tret’yego Internatsionala St. , Ulyanovsk 432017

M. V. Yashkov
“Ulyanovsk State University”, Institute of Medicine, Ecology and Physical Culture; “Ulyanovsk Regional Clinical Hospital”
Russian Federation

Maxim V. Yashkov - Postgraduate Student of the Department of Intermediate Level Surgery, Institute of Medicine of Ecology and Physical Culture of Ulyanovsk State University, Surgeon of the Thoracic and Surgical Department of the Ulyanovsk Regional Clinical Hospital

42 Lva Tolstogo St., Ulyanovsk 432017, 

7 Tret’yego Internatsionala St. , Ulyanovsk 432017

L. V. Matveyeva
“Ulyanovsk State University”, Institute of Medicine, Ecology and Physical Culture; “Ulyanovsk Regional Clinical Hospital”
Russian Federation

Lubov V. Matveyeva - Cand. Med. Sci., Associate Professor of the Department of Intermediate Level Surgery, Institute of Medicine of Ecology and Physical Culture of Ulyanovsk State University, Surgeon of the Thoracic and Surgical Department of the Ulyanovsk Regional Clinical Hospital 

42 Lva Tolstogo St., Ulyanovsk 432017, 

7 Tret’yego Internatsionala St. , Ulyanovsk 432017