1. Unit of Oral Surgery and Implantology, Division of Oral and Maxillofacial Surgery, Department of Surgery, Faculty of Medicine, Hôpitaux Universitaires de Genève, 1211 Genève, Switzerland
2. Division of Oral and Maxillofacial Surgery, Department of Surgery, Faculty of Medicine, Hôpitaux Universitaires de Genève, 1211 Genève, Switzerland