M. A. Mushkin
Pavlov First Saint-Petersburg State Medical University
Russian Federation

orthopedic traumatologist, teaching assistance, Department of traumatolofy and orthopaedics

Lev Tolstoy str., 6–8, St. Petersburg 194064, Russia

A. K. Dulaev
Pavlov First Saint-Petersburg State Medical University; Saint-Petersburg Research Institute of Emergency Medicine n.a. I.I. Dzhanelidze
Russian Federation

DMSc, Prof., Head of the Urban Center for Emergency Surgery of the Spine, St. Petersburg I.I. Dzhanelidze Research Institute of Emergency Medicine, Budapeshtskaya str., 3a, St. Petersburg, 192242, Russia;
Head of the Department of traumatology and orthopedics, Pavlov First Saint Petersburg State Medical University, Lev Tolstoy str., 6–8, St. Petersburg, 194064, Russia

A. Yu. Mushkin
Research Institute of Phthisiopulmonology Health Ministry of Russian Federation
Russian Federation

DMSc, Prof., chief researcher

Politekhnicheskaya str., 32, St. Petersburg, 194064, Russia