Funding for this research was provided by:
Hospital de Cl?nicas de Porto Alegre (GPPG/FIPE: 2014-0534)
Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (student scholarship, research fellow)
Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (code 001)
Text and Data Mining valid from 2019-02-28
Received: 6 December 2018
Accepted: 6 February 2019
First Online: 28 February 2019
Compliance with ethical standards
: The study was approved by the ethics committee of Porto Alegre Clinics Hospital (Brazil) under process number 14-0534. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All procedures performed involving animals were in accordance with the ethical standards of the institution, which the study was conducted.
: The authors declare that they have no conflict of interest.