Murat M. Makhambetchin
National Scientific Center of Traumatology and Orthopedics named after academician N.D. Batpenov
Kazakhstan

PhD (Medicine), Associate Professor, Senior Researcher of National Scientific Center of Traumatology and Orthopedics named after academician N.D. Batpenov, Astana, 010009, Kazakhstan

e-mail: murat.makhambetchin@mail.ru

Kayrat T. Shakeev
Karaganda Medical University
Kazakhstan

DSc (Medicine), Professor of the Department of surgery, Medical University of Karaganda, Karaganda, 100017, Kazakhstan

e-mail: kara3007@mail.ru

Sergey V. Lokhvitskiy
Karaganda Medical University
Kazakhstan

DSc (Medicine), Professor of the Department of surgery, Medical University of Karaganda, Karaganda, 100017, Kazakhstan

e-mail: snanna@mail.ru

Yermek M. Turgunov
Karaganda Medical University
Kazakhstan

DSc (Medicine), Professor, Vice-Rector for Scientific and Clinical Work of Medical University of Karaganda, Karaganda, 100017, Kazakhstan

e-mail: turgunov@qmu.kz