Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (302582/2013-4)
Pró-reitoria de Pesquisa e Pós-graduação, Universidade Federal do Pará (PAPQ2019)
Received: 18 April 2018
Accepted: 26 April 2019
First Online: 22 May 2019
Ethics approval and consent to participate
: The project received the approval and consent of the communities through their leaders, with formal collective authorization and from the National Indian Foundation (FUNAI). It was approved by the National Committee for Ethics in Research (CONEP), process 961.451/2015.
: Not applicable.
: The authors declare that they have no competing interests.
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