I. V. Maev
Moscow State University of Medicine and Dentistry
Russian Federation

Igor V. Maev — Member of the Russian Academy of Sciences, Dr. Sci. (Med.), Prof., Head of the Chair of Internal Medicine Propaedeutics and Gastroenterology, Moscow State University of Medicine and Dentistry.

127473, Moscow, Delegatskaya str., 20, bld. 1.

T. I. Karlovich
Central Clinical Hospital with Outpatient Care of the Russian President Administration
Russian Federation

Tatiana I. Karlovich — Cand. Sci. (Med.), Physician, Outpatient Clinic, Central Clinical Hospital with Outpatient Care of the Russian President Administration.

121359, Moscow, Marshala Timoshenko str., 15.

A. I. Burmistrov
Moscow State University of Medicine and Dentistry
Russian Federation

Alexander I. Burmistrov — Graduate Student (5th year), Faculty of Medicine, Moscow State University of Medicine and Dentistry.

127473, Moscow, Delegatskaya str., 20, bld. 1.

I. A. Chekmazov
Central Clinical Hospital with Outpatient Care of the Russian President Administration
Russian Federation

Igor A. Chekmazov — Dr. Sci. (Med.), First Deputy Chief Physician, Central Clinical Hospital with Outpatient Care of the Russian President Administration.

121359, Moscow, Marshala Timoshenko str., 15.

D. N. Andreev
Moscow State University of Medicine and Dentistry
Russian Federation

Dmitriy N. Andreev — Cand. Sci. (Med.), Assoc. Prof., Chair of Internal Medicine Propaedeutics and Gastroenterology, Moscow State University of Medicine and Dentistry.

127473, Moscow, Delegatskaya str., 20, bld. 1.

V. I. Reshetnyak
Moscow State University of Medicine and Dentistry
Russian Federation

Vasiliy I. Reshetnyak — Prof., Dr. Sci. (Med.), Prof. Chair of Internal Medicine Propaedeutics and Gastroenterology, Moscow State University of Medicine and Dentistry.

127473, Moscow, Delegatskaya str., 20, bld. 1.