Gonçalves-Pinho, Manuel http://orcid.org/0000-0001-6098-429X
Mota, Pedro
Ribeiro, João
Macedo, Silvério
Freitas, Alberto
Article History
First Online: 25 August 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The data used was anonymised and all identification variables were not used.
: No informed consent was needed once we used an administrative database built for hospital billing with no access to patients identification.
: Not applicable.
: All authors authorize the publication of the manuscript.
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