L. P. Fayzova
Bashkir State Medical University; Republican Clinical Hospital named after G. G. Kuvatov
Russian Federation

Larisa P. Fayzova MD, Department of Therapy and OVP with the course of Geriatrics of IAPE, Professor, MD 

 3 str. Lenina, Ufa, 450000, Russia 

S. V. Fedorov
Bashkir State Medical University; Republican Clinical Hospital named after G. G. Kuvatov
Russian Federation

Sergei V. Fedorov, Department of Surgery with a course of endoscopy of IAPE, Professor, MD

 3 str. Lenina, Ufa, 450000, Russia 

V. U. Sataev
Bashkir State Medical University; Republican Clinical Hospital named after G. G. Kuvatov
Russian Federation

Valery U. Sataev, Department of Pediatric Surgery with a course of endoscopy of IAPE, Professor, MD

 3 str. Lenina, Ufa, 450000, Russia 

I. I. Khidiyatov
Bashkir State Medical University; Republican Clinical Hospital named after G. G. Kuvatov
Russian Federation

Ildar I. Khidiyatov MD, Head of the Department of Topographic Anatomy and Operative Surgery, Professor, MD

 3 str. Lenina, Ufa, 450000, Russia 

A. S. Fedorova
Bashkir State Medical University; Republican Clinical Hospital named after G. G. Kuvatov
Russian Federation

 Anastasia S. Fedorova, fifth-year student of the Faculty of Pediatrics 

 3 str. Lenina, Ufa, 450000, Russia