1. Private practitioner, Department of Oral and Maxillofacial Surgery, Faculty of Health and Sciences, Institute of Odontology, University of Copenhagen, Denmark.
2. Associate and Consultant oral maxiofacial surgeon, Senior research, Resource Center for Rare Oral Diseases, University Hospital of Copenhagen, Denmark.
3. Associate Professor, Core Biostatistics, Institute of Public Health, Copenhagen, Denmark.
4. Research Assistant, Resource Center for Rare Oral Diseases, University Hospital of Copenhagen, Denmark.
5. Head, Municipal Dental Service, Hoeje-Taastrup, Denmark.
6. Professor, Rigshospitalet and Institute of Odontology, Faculty of Health Sciences, University of Copenhagen, Denmark.