Funding for this research was provided by:
Received: 3 January 2020
Accepted: 1 April 2020
First Online: 17 April 2020
Ethics approval and consent to participate
: For the execution of this work, we were granted the prior consent term with the approval of the leadership and authorization of the local FUNAI. The proposal was also approved by the Human Research Ethics Committee of the University of Pernambuco (CAAE: 94508218.0.0000.5207), and the project is registered in the National System for Genetic Heritage Management and Associated Traditional Knowledge - SISGEN (No. AA869DC) in compliance with the provisions of Law 13,123 of 2015 and its regulations.
: Not applicable.
: The authors declare that they have no competing interests.