Funding for this research was provided by:
Hospital de Clínicas de Porto Alegre (15.0625)
Received: 21 May 2020
Accepted: 20 September 2020
First Online: 30 September 2020
Ethics approval and consent to participate
: This study was conducted in accordance with the declaration of Helsinki. All procedures involving human subjects were approved by the Research Ethics Committee of Hospital de Clinicas de Porto Alegre, Brazil (No 15.0625). All subjects provided written informed consent for participation.
: Not applicable.
: The authors declare that they have no competing interests.