Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Ministério da Saúde (PPSUS/FAPESQ/MS/CNPq, EFP_00008705)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (457524/2012-0)
Article History
First Online: 27 December 2016
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
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