Funding for this research was provided by:
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (APQ-1 E-26/111.196/2014)
Text and Data Mining valid from 2020-02-13
Received: 18 November 2019
Accepted: 3 February 2020
First Online: 13 February 2020
Ethics approval and consent to participate
: The study protocol was approved by The Local Ethic Medical Committee (CAEE No. 32510914.7.0000.5244). Written informed consents were obtained from the participants and/or yours parents/guardians of the participating children.
: Not applicable.
: The authors declare that they have no competing interests.