1. Clinic of Orthodontics, Gothenburg, Public Dental Service, Region Västra Götaland, Sweden
2. Cleft Palate Centre and University Hospital Aarhus and University of Aarhus, Denmark
3. Cleft Palate and Craniofacial Center, Department of Plastic Surgery, Helsinki University Hospital, Finland
4. Department of Plastic and Reconstructive Surgery, Oslo University Hospital, Rikshospitalet, Norway
5. University of the Western Cape, South Africa
6. Greater Manchester Cleft Lip and Palate Unit, Royal Manchester Children’s Hospital, Manchester, UK
7. Copenhagen Cleft Palate Centre, University Hospital of Copenhagen, Denmark
8. Section of Orthodontics, Division of Orthodontics and Pedodontics, Department of Dental Medicine, Karolinska Institutet, Stockholm Craniofacial Team, Stockholm, Sweden
9. Oral Health Centre of Expertise, Western Norway, Bergen, Norway
10. Maxillofacial Unit, and Department of Clinical and Experimental Medicine, Linköping University, Sweden