Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Text and Data Mining valid from 2020-01-13
Received: 28 June 2019
Accepted: 20 November 2019
First Online: 13 January 2020
Ethics Approval and Consent to Participate
: All participants read and signed an informed consent form before starting their participation in the study (number 878.736 of ethics committee approved by the ethics committee of the Federal University of Rio Grande do Sul- Brazil). This investigation is in line with the Helsinki declaration.
: Not applicable.
: The authors, Natalia Gomeñuka, Henrique Oliveira, Edson Silva, Elren Monteiro, Rodrigo Rosa, Alberito Carvalho, Rochelle Costa, Martín Paz, Barbara Pellegrini, and Leonardo Peyré-Tartaruga, declare that they have no competing interests.