Vascular Malformations

• Phoenix Children's Hospital — Phoenix, Arizona, United States
• Arkansas Children's Hospital — Little Rock, Arkansas, United States
• University of California, Los Angeles — Los Angeles, California, United States
• Stanford University — Palo Alto, California, United States

• Istituto Ortopedico Rizzoli — Bologna, Emilia-Romagna, Italy

• Peter MacCallum Cancer Centre — Parkville, Victoria, Australia
• The Royal Children's Hospital — Parkville, Victoria, Australia

• the Department of Neurosurgery, China International Neuroscience Institute, Xuanwu Hospital, Capital Medical University — Beijing, China

• Johns Hopkins Hospital — Baltimore, Maryland, United States

• Cliniques Universitaires Saint-Luc, Université Catholique de Louvain Bruxelles — Brussels, Brussels Capital, Belgium
• CHU Caen — Caen, Brittany Region, France
• Universitätsklinikum Freiburg — Freiburg im Breisgau, Germany

• Copenhagen University Hospital - Rigshospitalet — Copenhagen, Capital Region of Denmark, Denmark

• Universitätsmedizin Göttingen — Göttingen, Lower Saxony, Germany

Not specified

Not specified