Funding for this research was provided by:
Universidade de São Paulo
Text and Data Mining valid from 2018-11-13
Received: 28 November 2017
Accepted: 29 October 2018
First Online: 13 November 2018
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the School of Nursing, University of São Paulo (no. 801.832/2014), of the National Commission for Research Ethics (CONEP no. 1,199,398/2015) and the National Indian Foundation FUNAI(127/AAEP/PRES/2015). After all the explanations about the procedures of the study, all the indigenous who accepted to participate signed the free and informed consent form.
: The authors declare that they have no competing interests.
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