Received: 7 August 2019
Accepted: 13 December 2019
First Online: 21 December 2019
Ethics approval and consent to participate
: The study was revised and approved by the Ethical Committee of The Health Science Institute of the UFPA, Number 2.819.240. The written informed consent was obtained from each patient or the guardian. It is committed not to provide information about the patient to any person unrelated to the study.
: Not applicable.
: The authors declare that they have no competing interests.