1. Division of Vascular Surgery, Faculty Hospital Kralovske Vinohrady, Third Faculty of Medicine, Charles University, Prague, Czech Republic
2. Department of Vascular Surgery, National Institute for Cardiovascular Disease, Bratislava, Slovak Republic
3. Department of Surgery II – Vascular and Transplantation Surgery, University Hospital Olomouc, Olomouc, Czech Republic
4. Department of Vascular Surgery, Pardubice Hospital, Pardubice, Czech Republic
5. Second Department of Surgery, St. Anne’s University Hospital Brno, Faculty of Medicine, Masaryk University, Brno, Czech Republic
6. Department of Anatomy, Second Faculty of Medicine, Charles University, Prague, Czech Republic