Funding for this research was provided by:
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Fundação Oswaldo Cruz
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Conselho Nacional de Desenvolvimento Científico e Tecnológico (not applicable)
Received: 22 January 2018
Accepted: 12 June 2019
First Online: 17 July 2019
Ethics approval and consent to participate
: This study was conducted according to the ethical principles described in the Helsinki Declaration. Written informed consent was obtained from all participants. This study was reviewed and approved by a local ethics committee, National Ethics Council under the number of CAAE 34055514.9.0000.5248.
: Not applicable.
: The authors disclose no actual or potential conflicts of interest, including any financial, personal or other relationships with people or organisations, within 2 years of the beginning of this study that could inappropriately influence the study.