K. A. Shemerovskii
Saint Petersburg Medical and Social Institut
Russian Federation

Konstantin A. Shemerovskii, doctor of medical sciences, Associate Professor of the Department of Internal Diseases

195271, Saint-Petersburg, Kondratyevskiy pr., 72, litera. A

V. N. Fedorets
Saint Petersburg State Pediatric Medical University
Russian Federation

Viktor N. Fedorets, Doctor of Science Associate Professor of internal diseases department named after professor V. A. Valdmana

194100, Saint-Petersburg, Litovskaya st. 2

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

Pavel V. Seliverstov, candidate of medical sciences, Associate Professor of the Department of Internal Diseases, Сlinical Pharmacology and Nephrology

191015, Saint-Petersburg, Kirochnay st., 41

S. R. Bakaeva
North-Western State Medical University named after I. I. Mechnikov
Russian Federation

Sofia R. Bakaeva, resident physician of the Department of Internal Diseases, Сlinical Pharmacology and Nephrology

191015, Saint-Petersburg, Kirochnay st., 41