Angiosur - Unidad Vascular Integral, ItagüÃ, Antioquia, Colombia
CHU Urbains, Nancy, France
CHU Montpellier, Montpellier, France
CHU Pellegrin, Bordeaux, France
CHU Bicetre Paris, Paris, France
University at Buffalo Neurosurgery, Buffalo, New York, United States
CHU Urbains, Nancy, France
Hospital Virgen de la Arrixaca, Murcia, Spain
Centro Hospitalario Universitario Donostia, San Sebastián, Spain
Hospital Universitario de Santiago de Compostela, Santiago De Compostela, Spain
Erasme Hospital, Brussels, Belgium
Hospital Civil Marie Curie, Charleroi, Belgium