1. Department of Vascular Surgery, University Hospital Aachen, Aachen, Germany
2. Department of Vascular Surgery, Clinical Center of Rhein-Maas, Würselen, Germany
3. Department of Vascular Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands
4. Department of Radiology and Interventional Radiology, Clinical Center of Friedrichshafen, Friedrichshafen, Germany
5. St. Joseph Heart & Vascular Center, Orange, CA, USA