Funding for this research was provided by:
Fundação de Amparo a Pesquisa do Estado da Bahia (3373/2013)
Received: 29 June 2018
Accepted: 26 April 2019
First Online: 17 May 2019
Ethics approval and consent to participate
: The Institutional Research Board of the Bahiana School of Medicine and Public Health (187/2011) granted approval of this study. Written informed consent was obtained from all enrolled patients.
: Not applicable.
: The authors declare that they have no competing interests.
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