Funding for this research was provided by:
National Health and Medical Research Council (APP1101675)
Text and Data Mining valid from 2019-03-12
Received: 10 August 2018
Accepted: 5 March 2019
First Online: 12 March 2019
Ethics approval and consent to participate
: All participants signed written informed consent at enrolment. The study received ethical approval from the Human Ethics of Federal University of Pernambuco, Recife – Brazil.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.