Received: 19 July 2019
Accepted: 12 December 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of the Federal University of Piauí in the Campus Ministro Petrônio Portella (assent number 1,890,962).
: The participants of this study were informed about the study’s objectives and the eventual publication of the information gathered, and they were assured that the informants’ identities would remain undisclosed, according to Resolution No. 466/12 of the National Health Council (CNS).
: The authors declare that they have no competing interests.