Petersen, Jakob
Kandt, Jens
Longley, Paul A.
Article History
Received: 4 December 2020
Accepted: 23 April 2021
First Online: 5 May 2021
Declarations
:
: Ethical approval was obtained from Bromley REC (Reference: 13/LO/1355). The study was conducted in accordance with relevant guidelines and regulations. As for other non-identifiable database studies, it was not practical nor desirable to obtain consent from each patient. The study only used routinely collected, secondary data and as such involved no experimental components requiring additional protocols and approvals. The HES data licence reference is DARS-NIC-28051-Q3K7L.
: Not applicable.
: None.