Received: 28 March 2019
Accepted: 18 June 2019
First Online: 1 July 2019
Ethics approval and consent to participate
: The present study was approved by the ethics committee of University Hospital of Federal University of Ceará (Protocol Number: 1.360.021). Written informed consent was obtained from all participants or their parents. We have obtained consent to publish from the participant (or legal parent or guardian for children) to report individual patient data.
: Not applicable.
: The authors declare that they have no competing interests.