Damin, Andrea P. http://orcid.org/0000-0002-5246-7388
Zancan, Maira
Melo, Marcia P.
Biazus, Jorge V.
Article History
Received: 10 April 2020
Accepted: 3 November 2020
First Online: 9 November 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants followed the ethical standards of the institutional and national research committee and the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: All information was obtained from the electronic hospital records. Additional informed consent was also obtained from the hospital, where information and databases were collected. The researchers are committed to preserving the privacy of patients, and they also agree that the information was used exclusively to study. Research involving human participants for the retrospective cohort study, individual formal consent is not required.