Oxana Drapkina

Department of Internal Disease Propaedeutics, Gastroenterology and Hepatology, Sechenov First Moscow State Medical University, Moscow, Russian Federation

Yulia Evsyutina

Department of Internal Disease Propaedeutics, Gastroenterology and Hepatology, Sechenov First Moscow State Medical University, Moscow, Russian Federation

Vladimir Ivashkin

Department of Internal Disease Propaedeutics, Gastroenterology and Hepatology, Sechenov First Moscow State Medical University, Moscow, Russian Federation