The study was approved by the CEP/EEAN/HESFA/UFRJ and by the institution where the research was carried out.
Contó con la aprobación del CEP/EEAN/HESFA/UFRJ y de la institución escenario de la investigación.
Contou com a aprovação do CEP/EEAN/HESFA/UFRJ e da instituição cenário da pesquisa.