Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (2016/04680-4, 2017/25105-0)
Received: 9 December 2019
Accepted: 29 January 2020
First Online: 21 February 2020
Ethics approval and consent to participate
: The two research projects on which this article is based were presented to the participating communities prior to their commencement. The study underway in Pedro Cubas and Pedro Cubas de Cima was authorized by the Research Ethics Committee of Federal University of São Carlos [<i>Universidade Federal de São Carlos</i>, <i>UFSCar - Brazil</i>]. The study in Ivaporunduva followed the norms of the American Anthropological Association's code of ethics. The three communities also authorized the research project through the Free and Informed Consent forms. The identity of the study participants was protected in the photographs and by the use of fictitious names in the text.
: Not applicable
: The authors declare that they have no competing interests.