1 Department of Oral and Maxillofacial Surgery, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Partenon, Porto Alegre, RS, Brazil; Division of Maxillofacial Surgery, Department of Surgery, AZ Sint-Jan Brugge-Oostende AV, Bruges, Belgium. Electronic address: fernando.andriola@pucrs.br.
2 Division of Maxillofacial Surgery, Department of Surgery, AZ Sint-Jan Brugge-Oostende AV, Bruges, Belgium; Oral and Maxillofacial Surgery Unit, Division of Surgery, Barzilai Medical Center, Affiliated to Ben-Gurion University of the Negev, Ashkelon, Israel.
3 Division of Maxillofacial Surgery, Department of Surgery, AZ Sint-Jan Brugge-Oostende AV, Bruges, Belgium; Department of Oral and Maxillofacial Surgery, AZ Turnhout, Turnhout, Belgium.
4 Department of Oral and Maxillofacial Surgery, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Partenon, Porto Alegre, RS, Brazil.
5 Clinical Trial Center, AZ Sint-Jan Brugge Oostende AV, Bruges, Belgium.
6 Division of Maxillofacial Surgery, Department of Surgery, AZ Sint-Jan Brugge-Oostende AV, Bruges, Belgium.