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1 Department of Oral and Maxillofacial Surgery, University Hospital Schleswig-Holstein Campus Kiel, Kiel, Germany. Electronic address: Joerg.wiltfang@uksh.de.
2 Department of Oral and Maxillofacial Surgery, University Hospital Heidelberg, Heidelberg, Germany.
3 Department of Oral and Maxillofacial Surgery, University Medical Center Göttingen, Göttingen, Germany.
4 Department of Oral and Maxillofacial Surgery, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany.
5 Department of Oral and Maxillofacial Surgery, University Medical Center Mainz, Mainz, Germany.
6 Department of Oral and Maxillofacial Surgery, University Medical Centre Tübingen, Tübingen, Germany.
1 Department of Oral and Maxillofacial Surgery, University Hospital Schleswig-Holstein Campus Kiel, Kiel, Germany. Electronic address: Joerg.wiltfang@uksh.de.
2 Department of Oral and Maxillofacial Surgery, University Hospital Heidelberg, Heidelberg, Germany.
3 Department of Oral and Maxillofacial Surgery, University Medical Center Göttingen, Göttingen, Germany.
4 Department of Oral and Maxillofacial Surgery, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany.
5 Department of Oral and Maxillofacial Surgery, University Medical Center Mainz, Mainz, Germany.
6 Department of Oral and Maxillofacial Surgery, University Medical Centre Tübingen, Tübingen, Germany.