1. KHARKIV NATIONAL MEDICAL UNIVERSITY, KHARKIV, UKRAINE; STATE ESTABLISHMENT «INSTITUTE OF GENERAL AND EMERGENCY SURGERY NAMED AFTER ZAITSEV V.T. OF NAMS OF UKRAINE», KHARKIV, UKRAINE
2. STATE ESTABLISHMENT «INSTITUTE OF GENERAL AND EMERGENCY SURGERY NAMED AFTER ZAITSEV V.T. OF NAMS OF UKRAINE», KHARKIV, UKRAINE
3. KHARKIV NATIONAL MEDICAL UNIVERSITY, KHARKIV, UKRAINE