1. Department of Oral and Maxillofacial Surgery/Plastic Surgery; University Medicine Greifswald; Greifswald Germany
2. Department of Restorative Dentistry, Periodontology, Endodontology, and Preventive and Pediatric Dentistry; University Medicine Greifswald; Greifswald Germany
3. Department of Anatomy and Cell Biology; University Medicine Greifswald; Greifswald Germany
4. Institute for Community Medicine; University Medicine Greifswald; Greifswald Germany
5. HealthPartners Institute; Minneapolis Minnesota
6. Institute for Diagnostic Radiology and Neuroradiology; University Medicine Greifswald; Greifswald Germany