Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (2008/57889-1, 05/59142-2, 2003/14008-9, 2010/20002-0, 2008/03232-1)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Conselho Nacional de Desenvolvimento Científico e Tecnológico (573799/2008-3, 480552-2011)
Text and Data Mining valid from 2018-04-27
Received: 28 September 2017
Accepted: 17 April 2018
First Online: 27 April 2018
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no competing interests.
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