Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (305793/2014-4 and 429423/2018-7)
Text and Data Mining valid from 2020-05-09
Received: 14 November 2019
Accepted: 29 April 2020
First Online: 9 May 2020
Ethics approval and consent to participate
: The Human Research Ethics Committee of the Health Sciences Institute of the Federal University of Pará approved this research (protocol 1903223).
: Not applicable.
: The authors declare that they have no competing interests.