Vascular Breakthroughs, Darien, Connecticut, United States
University of Florida Shands Hospital, Gainesville, Florida, United States
Geisinger Medical Center, Danville, Pennsylvania, United States
University of California, Irvine, Orange, California, United States
CHU Dijon Bourgogne, Dijon, France
Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
Universitätsklinikum der LMU München, München, Germany
Aarhus University Hospital, Aarhus, Denmark
Rigshospitalet, Copenhagen, Denmark
CHU de Lille, Lille, France
Parc Tauli, Sabadell, Spain
Royal Liverpool Hospital, Liverpool, United Kingdom
Evangelisches Krankenhaus Düsseldorf, Düsseldorf, Germany
Klinikum Altenburg, Altenburg, Germany
University College London, London, United Kingdom
Erasmus University Medical Center, Rotterdam, Netherlands
University Hospitals Leuven, Leuven, Belgium
Hospital Clinic, Barcelona, Barcelona, Spain
University of Alabama Birmingham Hospital, Birmingham, Alabama, United States
University of Southern California, Los Angeles, California, United States
Stanford Hospitals and Clinics, Stanford, California, United States
Royal Brisbane Women's Hospital, Herston, Australia
University of Virginia Medical Center, Charlottesville, Virginia, United States
The University of Kansas Health System, Kansas City, Kansas, United States
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
Cincinnati Children's Hospital, Cincinnati, Ohio, United States
University Hospitals-Cleveland, Cleveland, Ohio, United States