L. M. Kupkenova
Kazan State Medical University; Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan
Russian Federation

Luciya M. Kupkenova — 2-year postgraduate student of the Chair of Hospital Therapy

420012, Kazan, Butlerova str., 49

E. N. Belousova
Kazan State Medical University

Elena N. Belousova — Cand. Sci. (Med.), Assistant of the Chair of Hospital Therapy

420012, Kazan, Butlerova str., 49

E. S. Bodryagina
Kazan State Medical University

Evgenia S. Bodryagina — Cand. Sci. (Med.), Assistant of the Chair of Hospital Therapy

420012, Kazan, Butlerova str., 49

D. D. Mukhametova
Kazan State Medical University

Dilyara D. Mukhametova — Cand. Sci. (Med.), Assistant of the Chair of Hospital Therapy

420012, Kazan, Butlerova str., 49

A. Kh. Odintsova
Kazan State Medical University; Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan

Alfiya Kh. Odintsova — Cand. Sci. (Med.), Head of the Gastroenterology Department

420064, Kazan, Orenburg tract, 138, bld. A

D. G. Iskhakova
City Clinical Hospital No. 7

Dilyara G. Iskhakova — Head of the Gastroenterology Department

420103, Kazan, Marshal Chuikov str., 54

D. I. Abdulganieva
Kazan State Medical University; Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan

Diana I. Abdulganieva — Dr. Sci. (Med.), Head of the Chair of Hospital Therapy

420012, Kazan, Butlerova str., 49