1. Department of Cardiovascular Surgery, Centre Hospitalier Universitaire de Toulouse, 31300 Toulouse, France
2. Department of Vascular Surgery, Centre Hospitalier Universitaire de Toulouse, 31300 Toulouse, France
3. Department of Cardiovascular Surgery, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, QC G1V 4G5, Canada
4. Department of Vascular Surgery, Centre Hospitalier Universitaire de Poitiers, 86000 Poitiers, France