I. G. Bakulin
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Igor G. Bakulin – MD, PhD, Professor, Head of Chair of Propaedeutics of Internal Diseases, Gastroenterology and Dietetics 

Kirochnaya ul. 41, St. Petersburg, 191015

S. A. Sayganov
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Sergey A. Sayganov – MD, PhD, Professor, Head of Chair of Hospital Therapy and Cardiology named after M.S. Kushakovsky 

Kirochnaya ul. 41, St. Petersburg, 191015

M. I. Skalinskaya
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Maria I. Skalinskaya – MD, PhD, Associate Professor, Chair of Propaedeutics of Internal Diseases, Gastroenterology and Dietetics 

Kirochnaya ul. 41, St. Petersburg, 191015

E. V. Skazyayeva
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Ekaterina V. Skazyayeva – MD, PhD, Associate Professor, Chair of Propaedeutics of Internal Diseases, Gastroenterology and Dietetics 

Kirochnaya ul. 41, St. Petersburg, 191015

I. V. Lapinskii
North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Igor V. Lapinskii – MD, Assistant, Chair of Propaedeutics of Internal Diseases, Gastroenterology and Dietetics 

Kirochnaya ul. 41, St. Petersburg, 191015