1. Oral Rehabilitation Section for Oral Health, Society and Technology Department of Odontology Faculty of Health and Medical Sciences Sciences University of Copenhagen Copenhagen Denmark
2. Oral Surgery Section for Oral Biology and Immunopathology Department of Odontology Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
3. Department of Oral and Maxillofacial Surgery Centre of Head and Orthopedics Copenhagen University Hospital Copenhagen Denmark
4. Department of Dentistry and Oral Health Section of Oral Radiology Faculty of Health Aarhus University Aarhus Denmark