1. STATE INSTITUTION «INSTITUTE OF GENERAL AND EMERGENCY SURGERY V. T. ZAITSEV NATIONAL ACADEMY OF MEDICAL SCIENCES OF UKRAINE», KHARKIV, UKRAINE
2. STATE INSTITUTION «INSTITUTE OF GENERAL AND EMERGENCY SURGERY V. T. ZAITSEV NATIONAL ACADEMY OF MEDICAL SCIENCES OF UKRAINE», KHARKIV, UKRAINE; KHARKIV NATIONAL MEDICAL UNIVERSITY, KHARKIV, UKRAINE
3. STATE INSTITUTION «INSTITUTE OF GENERAL AND EMERGENCY SURGERY V. T. ZAITSEV NATIONAL ACADEMY OF MEDICAL SCIENCES OF UKRAINE», KHARKIV, UKRAINE; EDUCATIONAL AND SCIENTIFIC MEDICAL INSTITUTE OF THE NATIONAL TECHNICAL UNIVERSITY «KHARKIV POLYTECHNIC INSTITUTE», KHARKIV, UKRAINE