1. Department of Surgery, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
2. Department of Oral and Maxillofacial Surgery/3D Lab, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
3. Department of Applied Mathematics, Technical Medical Centre, 7500 AE Enschede, The Netherlands
4. Multimodality Medical Imaging Group, Technical Medical Centre, University of Twente, 7500 AE Enschede, The Netherlands