Text and Data Mining valid from 2018-07-13
Received: 4 May 2018
Accepted: 22 June 2018
First Online: 13 July 2018
Ethics approval and consent to participate
: All informants confirmed free and informed consent prior to data collection. The study was approved by the Research Ethics Committee from the Universidade de Pernambuco (Protocolo CAAE 54357515.7.0000.5207). Authorization to carry out the research was also granted by State Agency for the Environment of the state of Pernambuco (Process No.: 002434/2017).
: Not applicable
: The authors declare that they have no competing interests.
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