Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de Minas Gerais (01377/15)
Article History
Received: 15 November 2017
Accepted: 3 April 2018
First Online: 16 April 2018
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no competing interests.
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