1. Interdisciplinary Center of Vascular Anomalies, Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Germany
2. Department of Radiology, University Hospital Regensburg, Department of Radiology, Regensburg, Germany
3. Interdisciplinary Center for Vascular Anomalies, University Hospital Halle, University Clinic and Polyclinic of Radiology, Halle (Saale), Germany