Received: 25 October 2021
Accepted: 22 November 2021
First Online: 12 December 2021
: The study was reviewed and approved by the Galician Ethics Committee (code 2017/578). The Committee waived the need for informed consent from the study participants, in agreement with Spanish regulations for retrospective studies of clinical records.
: Not applicable.
: The authors declare that they have no competing interests.