1 Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow, Russia - mmmm00@yandex.ru.
2 The Interregional Public Organization Scientific Community for the Promotion of the Clinical Study of the Human Microbiome, Moscow, Russia - mmmm00@yandex.ru.
3 Department of Internal Medicine, Gastroenterology and Hepatology, Sechenov University, Moscow, Russia.
4 The Interregional Public Organization Scientific Community for the Promotion of the Clinical Study of the Human Microbiome, Moscow, Russia.