1. Department of Vascular and Endovascular Surgery, University Medical Centre Heidelberg, Germany
2. Department of Vascular Surgery, Friedrich Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
3. German Institute for Vascular Research, Berlin, Germany
4. Department of Vascular Surgery, St. Rochus-Hospital Castrop-Rauxel, Dortmund, Germany
5. Department of Vascular and Thoracic Surgery, Klinikum Karlsruhe, Academic Teaching Hospital, Germany
6. Department of Vascular and Endovascular Surgery, Asklepios Clinic Wandsbek, Asklepios Medical School, Hamburg, Germany
7. Medical School Brandenburg Theodor-Fontane, Neuruppin, Germany