A. V. Pirogov
Astrakhan Regional Children's Clinical Hospital n.a. N.N. Silishchevoy
Russian Federation

Alexander V. Pirogov - M.D.; Head, Urology Division.

V. V. Sizonov
Rostov Regional Children's Clinical Hospital; Rostov State Medical University
Russian Federation

Vladimir V. Sizonov - M.D., Dr.Sc. (M), Assoc. Prof. (Docent); Prof., Dept. of Urology and Human Reproductive Health (with the Pediatric Urology and Andrology Course), Rostov SMU; Head, Pediatric Urology Division, Rostov Regional Children's CH.

344015, Rostov-on-Don, 14 339th Strelkovoy Divizii St.; 344022, Rostov-on-Don, 29 Nakhichevanskiy St.

M. I. Kogan
Rostov State Medical University
Russian Federation

Mikhail I. Kogan - Honored Scientist of Russian Federation, M.D., Dr.Sc.(M), Full Prof.; Head, Department of Urology and Human Reproductive Health (with the Pediatric Urology and Andrology Course).

344022, Rostov-on-Don, 29 Nakhichevanskiy St.