B. V. Sigua
I. I. Mechnikov North-Western State Medical University
Russian Federation

Badri V. Sigua Doctor of Medical Sciences, Professor of the Department of I.I. Grekov Faculty Surgery

191015, St. Petersburg, Kirochnaya St., 41

S. Y. Rakita
I. I. Mechnikov North-Western State Medical University
Russian Federation

Sergey Y. Rakita Resident, I.I. Grekov Department of Faculty Surgery

191015, St. Petersburg, Kirochnaya St., 41

E. I. Kakhiani
I. I. Mechnikov North-Western State Medical University
Russian Federation

Ekaterina I. Kakhiani Doctor of Medical Sciences, Professor, Head of S.N. Davydov Department of Obstetrics and Gyneoclogy, Dean of the Faculty of Pediatrics

191015, St. Petersburg, Kirochnaya St., 41

D. Veromej
I. I. Mechnikov North-Western State Medical University
Russian Federation

Dominyka Veromej Resident, S.N. Davydov Department of Obstetrics and Gyneoclogy

191015, St. Petersburg, Kirochnaya St., 41

V. P. Zemlyanoy
I. I. Mechnikov North-Western State Medical University
Russian Federation

Vyacheslav P. Zemlyanoy Doctor of Medical Sciences, Professor, Head of I.I. Grekov Department of Faculty Surgery, Dean of the Surgery Faculty

191015, St. Petersburg, Kirochnaya St., 41