V. Yu. Bogachev
Pirogov Russian National Research Medical University; First Phlebological Center
Russian Federation

Vadim Yu. Bogachev, Dr. Sci. (Med.), Professor, Department of Faculty Surgery No. 2, Pirogov Russian National Research Medical University; Phlebologist surgeon, First Phlebological Center

1, Ostrovityanov St., Moscow, 117997,

31, Dmitry Ulyanov St., Moscow, 117447

B. V. Boldin
Pirogov Russian National Research Medical University
Russian Federation

Boris V. Boldin, Dr. Sci. (Med.), Professor, Head of the Department of Faculty Surgery No. 2

1, Ostrovityanov St., Moscow, 117997

G. A. Varich
Pirogov Russian National Research Medical University; Central Clinical Hospital of Alexy Metropolitan of the Moscow, Moscow Patriarchate of the Russian Orthodox Church
Russian Federation

Georgiy A. Varich, Cand. Sci. (Med.), Assistant Professor, Department of Faculty Surgery No. 2, Pirogov Russian National Research Medical University; Surgeon, Central Clinical Hospital of Alexy Metropolitan of the Moscow, Moscow Patriarchate of the Russian Orthodox Church

1, Ostrovityanov St., Moscow, 117997,

27, Leninsky Ave., Moscow,119071