Received: 16 July 2020
Accepted: 21 October 2020
First Online: 27 October 2020
Ethics approval and consent to participate
: The project was approved by the institutional review board of the Erasto Gaertner Hospital - Brazil under number 1.122.319/2015. Written informed consent form was obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interests.