Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Conselho Nacional de Desenvolvimento Científico e Tecnológico (400892/2014-6, 313955/2014-0)
Fundação de Amparo à Pesquisa do Estado de São Paulo (2016/01209-9)
Text and Data Mining valid from 2018-06-04
Received: 5 December 2017
Accepted: 16 May 2018
First Online: 4 June 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: Data is available as electronic supplementary material.