After the pre-selection of the medical files, the patients or their tutors were contacted, the study objective was explained to them and the Free and Informed Consent Form was signed by all participants, which had been previously approved by the Scientific Committee in Research and Ethics of the Institution.
Luego de la preselección de las historias clínicas, se contactó a los pacientes o sus responsables. Se les explicó el estudio y se obtuvo la firma del formulario de consentimiento informado, aprobado por la Comisión Científica de Investigación y Ética en Salud de la institución.
Após a pré-seleção dos prontuários, foram contatados os pacientes ou responsáveis, sendo explicado o estudo e adquirido o consentimento mediante a assinatura do termo de consentimento aprovado pela Comissão Científica de Pesquisa e Ética em Saúde da instituição.