Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (2017/06633-6, 2016/24716-3)
Text and Data Mining valid from 2019-11-15
Received: 30 May 2019
Accepted: 7 September 2019
First Online: 15 November 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.