Received: 17 February 2020
Accepted: 11 October 2020
First Online: 5 November 2020
Ethics approval and consent to participate
: The study was approved by the protocol number 1.752.504 by Research Ethics Committee of the Federal University of Sao Paulo. As it was a descriptive and retrospective observational cohort, the requirement for informed consent and assent was waived.
: Not applicable.
: The authors declared that they had no competing interests.