Received: 26 August 2020
Accepted: 2 January 2021
First Online: 3 March 2021
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments. The need for ethical approval and patient consent was waived by Beaumont Hospital Research Ethics Committee, and the study was approved by Beaumont Hospital Audit committee who granted permission to access the raw data (ref c446).
: Not applicable.
: The authors declare they have no competing interests.