1. Clinic of Cranio‐Maxillofacial and Oral Surgery, Center of Dental Medicine University of Zurich Zurich Switzerland
2. Max Bergmann Center of Biomaterials, Technische Universität Dresden Dresden Germany
3. International Medical College Münster Germany
4. Statistical Services, Center for Dental Medicine University of Zurich Zurich Switzerland
5. Department of Oral and Maxillofacial Surgery Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin, Berlin Institute of Health Berlin Germany
6. Department of Oral and Maxillofacial Surgery University Medical Center Hamburg‐Eppendorf Hamburg Germany