E. A. Toneev
Regional Clinical Oncology Center; Ulyanovsk State University
Russian Federation

Evgeny A. Toneev - MD, PhD, Thoracic Surgeon, Department of Thoracic Oncology, Regional Clinical Oncology Center; Associate Professor, Department of Faculty Surgery, T.Z. Biktimirov Faculty of Medicine, Institute of Medicine, Ecology and Physical Culture.

90, 12 Sentyabrya St., Ulyanovsk, 432017; 2/1, Arkhitektora Livchaka St., Ulyanovsk, 432017

D. D. Prokhorov
Ulyanovsk State University
Russian Federation

Daniil D. Prokhorov - MD, Resident, Department of Hospital Surgery, Anesthesiology, Resuscitation, Urology, Traumatology, and Orthopedics, Faculty of Dentistry, Pharmacy, and Postgraduate Medical Education, Institute of Medicine, Ecology and Physical Education.

2/1, Arkhitektora Livchaka St., Ulyanovsk, 432017

M. O. Pavlov
Ulyanovsk State University
Russian Federation

Maxim O. Pavlov - 5th-year student, T.Z. Biktimirov Faculty of Medicine, Institute of Medicine, Ecology and Physical Culture.

2/1, Arkhitektora Livchaka St., Ulyanovsk, 432017

E. A. Rodionova
Samara State Medical University
Russian Federation

Evgeniya A. Rodionova - 5th-year student.

89, Chapaevskaya St., Samara, 443099

Z. F. Gasanov
Samara State Medical University
Russian Federation

Zaur F. Gasanov - 6th-year student.

89, Chapaevskaya St., Samara, 443099