Participants gave their informed consent to participate in the study, which was approved by the Ethics Committee at the Institution where it was developed Opinion No. 523/08-CEP.
Los participantes fueron informados sobre el proyecto; y, habiendo concordado, firmaron el término de consentimiento libre e informado.
Os participantes foram informados sobre o projeto; e, tendo concordado, assinaram o termo de consentimento esclarecido.