Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul (17/2551-001)
Text and Data Mining valid from 2019-12-01
Received: 9 March 2019
Accepted: 22 November 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: The study was approved by the Research Ethics Committee of Vale do Rio dos Sinos University, under CAAE No. 66618717.9.0000.5344. All the ethical considerations required for studies with human subjects were followed according to Resolution 510/16 of the National Health Council.
: Assent was obtained from all participants and their caregivers provided written informed consent.
: The authors declare that they have no competing interests.