Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (001)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (001)
Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul (001)
Text and Data Mining valid from 2019-05-29
Received: 13 December 2018
Accepted: 20 May 2019
First Online: 29 May 2019
Ethics approval and consent to participate
: Not applicable. The experiments described in this manuscript do not involve human participants.
: All the authors involved in this study declared their consent to publish the manuscript.
: The authors declare that they have no competing interests.