S. N. Shchaeva
Smolensk State Medical University, Ministry of Health of Russia; Uromed
Russian Federation

Svetlana Nikolaevna Shchaeva,

28 Krupskoy St., Smolensk 214019;

18/1 Marshala Sokolovskogo St., Smolensk 214031

A. G. Efron
Smolensk State Medical University, Ministry of Health of Russia; Smolensk Regional Oncology Clinical Dispensary
Russian Federation

28 Krupskoy St., Smolensk 214019;

19 Marshala Zhukova St., Smolensk 214000

L. I. Volynets
Smolensk State Medical University, Ministry of Health of Russia; Smolensk Regional Clinical Hospital
Russian Federation

28 Krupskoy St., Smolensk 214019;

27 Gagarina Prospekt, Smolensk 214018