1. Department of Maxillofacial Surgery, University Hospital of Amiens, Amiens, France
2. EA CHIMERE, Picardie Jules Verne University, Amiens, France
3. Department of Maxillofacial Surgery and Stomatology, Pitié-Salpétrière Hospital, Pierre and Marie Curie University, Paris, France
4. Department of Plastic and Reconstructive Surgery, Catholic University of Louvain-University Clinic, Bruxelles, Belgique