1. Department of Radiology and Neuroradiology, University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany
2. Department of Oral and Maxillofacial Surgery, University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany
3. Department of Radiology, NorthShore University HealthSystem, Evanston, IL 60201, USA
4. Pritzker School of Medicine, University of Chicago, Chicago, IL 60637, USA
5. Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
6. Siemens Healthcare GmbH, 20910 Hamburg, Germany