Affiliation: | 1. Chief Resident, Chirurgie maxillo-faciale et stomatologie, chirurgie plastique et réparatrice, Hôpital Nord, Marseille, France;2. Biostatistician, Division of Oral and Maxillofacial Surgery, Department of Surgery, University of Geneva and University Hospitals of Geneva, Geneva, Switzerland;3. Head, Division of Oral and Maxillofacial Surgery, Department of Surgery, University of Geneva and University Hospitals of Geneva, Geneva, Switzerland |