1 Maxillofacial Surgery, Lyon-Sud University Hospital, Lyon, France Maxillofacial Surgery, Lyon-Sud University Hospital, Lyon, France Maxillofacial Surgery, Lyon-Sud University Hospital, Lyon, France Plastic, Reconstructive and Esthetic Surgery, Croix-Rousse University Hospital, Hospices Civils de Lyon, Lyon, France Plastic, Reconstructive and Esthetic Surgery, Croix-Rousse University Hospital, Hospices Civils de Lyon, Lyon, France.