1. Department of Vascular Medicine, Grenoble University Hospital, Grenoble, France
2. Service de soins intensifs médicaux, Institut de Cardiologie d’Abidjan, Abidjan, Cote d’Ivoire
3. Department of Vascular Medicine, Montpellier University Hospital, Montpellier, France
4. Department of Vascular Medicine, Toulouse University Hospital, Toulouse, France
5. Department of Radiology, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
6. Department of Neuroradiology, Lariboisière Hospital, Paris, France