1. Department of Orthodontics and Orofacial Orthopedics, Friedrich-Alexander-University Erlangen-Nürnberg, Germany
2. Magnetic Resonance and X-ray Imaging Department of the Development Centre X-ray Technology EZRT, Division of Fraunhofer Institute for Integrated Circuits IIS, Würzburg, Germany
3. Institute for Medical Biometry, Informatics and Epidemiology (IMBIE), Faculty of Medicine, University of Bonn, Germany