L. A. Timofeeva
Ulyanov Chuvash State University; Republican Clinical Oncology Dispensary
Russian Federation

Lyubov A. Timofeeva — Dr. Sci. (Med.), Prof., Chair of Internal Medicine Propaedeutics with course of diagnostic radiology, Ulyanov Chuvash State University; Physician (ultrasonic diagnostics), Republican Clinical Oncology Dispensary

Moskovskiy ave., 15, Cheboksary, 428015; 
Fyodora Gladkova str., 23, Cheboksary, 428020

Yu. K. Aleksandrov
Yaroslavl State Medical University
Russian Federation

Yurii K. Aleksandrov — Dr. Sci. (Med.), Prof., Head of the Chair of Surgical Diseases, Faculty of Paediatrics

Revolutsionnaya str., 5, Yaroslavl, 150000

M. A. Yusova
Ulyanov Chuvash State University
Russian Federation

Marina A. Yusova — Postgraduate Student, Chair of Internal Medicine Propaedeutics with course of diagnostic radiology

Moskovskiy ave., 15, Cheboksary, 428015

T. N. Aleshina
Ulyanov Chuvash State University
Russian Federation

Tatyana N. Aleshina — Postgraduate Student, Chair of Internal Medicine Propaedeutics with course of diagnostic radiology

Moskovskiy ave., 15, Cheboksary, 428015