1. Cleft Palate and Craniofacial Centre, Department of Plastic Surgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
2. Vascular Anomaly Team, Helsinki University Hospital, Helsinki, Finland
3. Reference Center, European Reference Network ERN-VASCERN, Helsinki, Finland
4. Orthodontics, Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland