Received: 1 August 2020
Accepted: 7 December 2020
First Online: 2 January 2021
: All procedures performed were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. As this is an observational study, the local ethics committee has confirmed that no ethical approval is required.
: Consent was not obtained as procedures were part of patient standard care and there was no concern about identifying information.
: The authors declare that they have no competing interests.