1. Department of Surgery, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400347 Cluj-Napoca, Romania
2. Department of Vascular Surgery, County Emergency Hospital, 400347 Cluj-Napoca, Romania
3. Department of Vascular Surgery, Martha Maria Hospital Nuremberg, 90491 Nuremberg, Germany
4. Department of Vascular and Endovascular Surgery, University Hospital Regensburg, 93053 Regensburg, Germany
5. Department of Surgery, University of Medicine and Pharmacy “George Palade”, 540142 Targu Mures, Romania