1. Unit of Oral Surgery and Implantology; Division of Maxillofacial Surgery; Department of Surgery; Geneva University Hospitals and University of Geneva; Geneva Switzerland
2. Department of Cranio-Maxillofacial Surgery; Inselspital, Bern University Hospital, and University of Bern; Bern Switzerland
3. Department Clinical Research; Bone Biology & Orthopaedic Research, University of Bern; Bern Switzerland
4. Division of Maxillofacial Surgery; Department of Surgery; Geneva University Hospitals and University of Geneva; Geneva Switzerland