S. V. Popov
St. Luke St. Petersburg Clinical Hospital; Kirov Military Medical Academy
Russian Federation

Sergey V. Popov — M.D., Dr.Sc. (Med), Full Prof.; Chief Medical Officer, Head, Municipal Centre of Endoscopic Urology and New Technologies;

Prof., Dept. of Urology,

St. Petersburg

I. N. Orlov
St. Luke St. Petersburg Clinical Hospital; Mechnikov North-Western State Medical University
Russian Federation

Igor N. Orlov — M.D., Cand.Sc.(Med); Deputy Chief Medical Officer for Medical;

Assist.Prof., Dept. of Urology,

St. Petersburg

T. M. Topuzov
St. Luke St. Petersburg Clinical Hospital
Russian Federation

Timur M. Topuzov — M.D., Cand.Sc. (Med); Head, Urology Division No.1, Municipal Centre of Endoscopic Urology and New Technologies,

M. L. Gorelik
St. Luke St. Petersburg Clinical Hospital; Mechnikov North-Western State Medical University
Russian Federation

Maksim L. Gorelik — Resident, Urology Division No.1, Municipal Centre of Endoscopic Urology and New Technologies, 

M. A. Perfil’yev
St. Luke St. Petersburg Clinical Hospital; Mechnikov North-Western State Medical University
Russian Federation

Mark A. Perfil’yev — Resident, Urology Division No.1, St. Petersburg of Endoscopic Urology and New Technologies, 

M. A. Kotlov
St. Luke St. Petersburg Clinical Hospital; Mechnikov North-Western State Medical University
Russian Federation

Mikhail A. Kotlov — Student, 

St. Petersburg