Toedtling, Verena
Forouzanfar, Tim
Brand, Henk S.
Article History
Received: 20 July 2022
Accepted: 24 January 2023
First Online: 24 February 2023
Declarations
:
: Ethical approval was obtained from Health Research Authority (HRA), Health and Care Research Wales (HCRW) [ref: 20WM/0008], West Midlands—Solihull Research Ethics Committee. The need for written informed consent to participate was waived by the Confidentially Advisory Group (CAG), ethics committee [ref: 20/CAG/0050], due to the retrospective nature of the study. All procedures performed in studies involving human participants 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.
: Not applicable.
: The authors declare that they have no conflict of interests, including financial interests.