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Author Guilherme Janson declares that he has no conflict of interest. Author Juliana da Cunha Bastos declares that she has no conflict of interest. Author Roberta Martinelli Carvalho declares that she has no conflict of interest. Author Jos\u00e9 Carlos Bastos Jr. declares that he has no conflict of interest. Author Rita de C\u00e1ssia Carvalho Lauris declares that she has no conflict of interest. Author Jos\u00e9 Fernando Castanha Henriques declares that he has no conflict of interest. Author Terumi Okada Ozawa declares that she has no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The work was supported by the Department of Oral and Maxillofacial Surgery and Orthodontics of Hospital for Rehabilitation of Craniofacial Anomalies, University of S\u00e3o Paulo, Bauru, Brazil.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Funding"}},{"value":"This study was approved by the Ethics in Research Committee of Hospital for Rehabilitation of Craniofacial Anomalies, University of S\u00e3o Paulo, Bauru, Brazil (144\/2008-SVAPEPE-CEP) and it is in compliance with the Helsinki Declaration.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"For this type of study, formal consent is not required.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}