Serve, Alexis, Ecole de médicine dentaire et stomatologie, UCLouvain, Av. Hippocrate 10, 1200, Brussels, Belgium Shimwa-Karengera, Stéphane, Department of oral and maxillofacial surgery, Cliniques universitaires saint Luc, UCLouvain, Av. Hippocrate 10, 1200 Brussels, Belgium Sibille, Louis, Department of oral and maxillofacial surgery, Cliniques universitaires saint Luc, UCLouvain, Av. Hippocrate 10, 1200 Brussels, Belgium Siciliano, Sergio, Department of oral and maxillofacial surgery, Clinique Sainte Elisabeth, Brussels, Belgium Sikora, Maciej, National Medical Institute of the Ministry of Interior and Administration, Wołoska 137, 02-507 Warsaw, Poland,Department of Maxillofacial Surgery, Hospital of the Ministry of Interior, Wojska Polskiego 51, 25-375 Kielce, Poland , Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland Simain Sato, Franklin, Université de Liège, 7 Place du 20 Août, 4000, Liège, Belgium Sudi Musilimu , Constant, Unit of Oral, maxillofacial and reconstructive surgery, Hôpital Provincial Général de Référence de Bukavu, Bukavu Catholic University, Democratic Republic of Congo Systermans, Simon, Service de chirurgie maxillo-faciale, Centre Hospitalier Universitaire de Liège, Liège, Belgique Szymor, Piotr, Department of maxillofacial surgery, Medical University of Lodz, Poland