Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP #2015/03756-4)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (#305068/2014-8)
Text and Data Mining valid from 2018-12-01
Received: 19 June 2018
Accepted: 23 November 2018
First Online: 4 December 2018
Ethics approval and consent to participate
: This study was approved by the Local Ethics Committee on Human Research at the University of São Paulo (CAPPesq). All participants gave written informed consent in compliance with the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.
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