A. M. Kharitidis
City Center for Diagnosis and Treatment of Inflammatory Bowel Diseases, St. Petersburg City Clinical Hospital No. 31
Россия

Aleksandra M. Kharitidis, gastroenterologist 

13 Dynamo Ave., St. Petersburg, 97110

O. B. Shchukina
City Center for Diagnosis and Treatment of Inflammatory Bowel Diseases, St. Petersburg City Clinical Hospital No. 31; Federal State Budgetary Educational Institution of Higher Education Pavlov First Saint Petersburg State Medical University of the Ministry of Health of the Russian Federation
Россия

Oksana B. Shchukina, Dr. of Sci. (Med.), Head of the office of inflammatory bowel diseases of the polyclinic with consultative and diagnostic center, Professor, Associate Professor of Department of General Medical Practice; Head 

13 Dynamo Ave., St. Petersburg, 97110

6-8 Lev Tolstoy str., St. Petersburg, 197022