R. G. Sayfutdinov
Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education
Russian Federation

Rafik G. Sayfutdinov — Dr. Sci. (Med.), Prof., Head of the Chairof Hospital and Polyclinic Therapy, Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education.

420012, Kazan, Butlerova str., 36

R. R. Saifutdinov
Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education; City Clinical Hospital No. 12
Russian Federation

Rinat R. Sayfutdinov — Cand. Sci. (Med.), Assoc. Prof., Chair of Hospital and Polyclinic Therapy, Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education; physician (therapist), Therapy Unit, City Clinical Hospital No. 12.

420012, Kazan, Butlerova str., 36; 420036, Kazan, Lechebnaya str., 7

R. R. Akhunova
Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education
Russian Federation

Regina R. Akhunova — Cand. Sci. (Med.), Assoc. Prof., Chair of Hospital and Polyclinic Therapy, Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education.

420012, Kazan, Butlerova str., 36

T. V. Saifutdinova
Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education
Russian Federation

Tatyana V. Saifutdinova — Research assistant, Chair of Therapy, Geriatrics and General Medical Practice, Kazan State Medical Academy — Branch Campus Russian Medical Academy of Continuous Professional Education.

420012, Kazan, Butlerova str., 36

G. R. Absalyamova
Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education
Russian Federation

Gulnas R. Absalyamova — Resident, Chair of Hospital and Polyclinic Therapy, Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education.

420012, Kazan, Butlerova str., 36

T. V. Dvoryankina
City Clinical Hospital No. 12
Russian Federation

Tatyana V. Dvoryankina — Physician (gastroenterologist), Therapy Unit, City Clinical Hospital No. 12.

420036, Kazan, Lechebnaya str., 7

G. R. Akhunova
Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education
Russian Federation

Gulnara R. Akhunova — Cand. Sci. (Med.), Assoc. Prof., Chair of Ultrasound Diagnostics, Kazan State Medical Academy — Branch Campus of the Russian Medical Academy of Continuous Professional Education.

420012, Kazan, Butlerova str., 36