1. Department of Oral and Maxillofacial Surgery, Charité – Universitaetsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
2. Berlin Institute of Health (BIH), Berlin, Germany
3. Department of Oral and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
4. Department of Radiotherapy and Radiation Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
5. Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
6. Department of Biomaterials Science, Institute of Dentistry, University of Turku, and City of Turku, Welfare Division, Turku, Finland