1. Kharkiv National Medical University, Kharkiv, Ukraine; State Institution "Zaitsev V. T. Institute of General and Urgent Surgery of National Academy of Medical Sciences of Ukraine, Kharkiv, Ukraine
2. State Institution "Zaitsev V. T. Institute of General and Urgent Surgery of National Academy of Medical Sciences of Ukraine", Kharkiv, Ukraine; Educational and Scientific Medical Institute of the National Technical University "Kharkiv Polytechnic Institute", Kharkiv, Ukraine
3. Educational and Scientific Medical Institute of the National Technical University "Kharkiv Polytechnic Institute", Kharkiv, Ukraine
4. Kharkiv National Medical University, Kharkiv, Ukraine
5. State Institution "Zaitsev V. T. Institute of General and Urgent Surgery of National Academy of Medical Sciences of Ukraine", Kharkiv, Ukraine