1. Department of Dentistry and Oral Health, Section for Oral Surgery and Oral Pathology Aarhus University Aarhus C Denmark
2. Department of Oral and Maxillofacial Surgery Aarhus University Hospital Aarhus C Denmark
3. Department of Dentistry and Oral Health, Section for Oral Radiology Aarhus University Aarhus C Denmark
4. Department of Oral and Maxillofacial Surgery, School of Dentistry, Faculty of Health Sciences University of Copenhagen Copenhagen N Denmark
5. Department of Dentistry and Oral Health, Section for Prosthetics Aarhus University Aarhus C Denmark