Funding for this research was provided by:
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Fundação Oswaldo Cruz
Received: 8 November 2017
Accepted: 30 July 2018
First Online: 20 August 2018
Ethics approval and consent to participate
: This study was conducted in accordance with the ethical principles stated in the Helsinki Declaration. This study was reviewed and approved by Fiocruz ethics Committee and Brazilian National Ethics Council under the number of CAAE 32789914.6.0000.5248.All participants were given a verbal explanation of the objectives and methodology of the research and were included in the study only after obtaining written signed informed consent. Parent or guardian gave written signed informed consent on behalf of any participants under the age of 18.
: Not applicable.
: The authors declare that they have no competing interests.
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