Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (141536/2016-0)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (88881.132032/2016-01)
Received: 24 January 2018
Accepted: 13 June 2018
First Online: 27 June 2018
Ethics approval and consent to participate
: All participants volunteered for the study, were informed about the scope of the study, and provided written consent. The study was approved by the University of Sao Paulo (HC-FMRP/USP) Ethical Review Board.
: Not applicable.
: The authors declare that they have no competing interests.
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