1. Department of Orthodontics and Orofacial Orthopedics, Friedrich-Alexander-University Erlangen-Nürnberg, Gluecksstrasse, Erlangen, Germany
2. Incubator for Medical Mixed Reality at Stanford (IMMERS), Department of Radiology, Stanford School of Medicine, Stanford, United States
3. Institute of Functional and Clinical Anatomy Friedrich-Alexander-University Erlangen-Nürnberg, Krankenhausstrasse, Erlangen, Germany
4. Institute of Interventional Radiology University Hospital of Schleswig-Holstein-Campus Lübeck, Ratzeburger Allee, Lübeck, Germany