1. Service Dermatologie CHU Université Caen Normandie Caen France
2. Dermatology & Center for Vascular Anomalies University Medical Center Nijmegen Nijmegen The Netherlands
3. Division of Plastic Surgery Cliniques Universitaires Saint‐Luc, Center for Vascular Anomalies Brussels Belgium
4. Radiology Cliniques universitaires Saint‐Luc Brussels Belgium
5. Human Genetics Cliniques universitaires Saint‐Luc Brussels Belgium
6. Erasmus Hospital Human Genetics Brussels Belgium
7. Radboudumc Pediatric Haematology & Center Vascular Anomalies Nijmegen The Netherlands
8. Radboudumc Pathology & Center for Vascular Anomalies Nijmegen The Netherlands
9. Radboudumc Radiology & Center for Vascular Anomalies Nijmegen The Netherlands
10. Human Molecular Genetics de Duve Institute, UCLouvain Brussels Belgium