Received: 7 December 2021
Accepted: 4 May 2022
First Online: 2 August 2022
: The medical ethical committee of research with human subjects (CMO region Arnhem-Nijmegen) waived the need for formal approval, under number 2017-3506, as the study did not fall under the Medical Research Involving Human Subjects Act (WMO). Patients’ consent to obtain data was acquired through an opt-out procedure and patient data was anonymized before use. No administrative permission was required to access the raw data in this study. All relevant legislation was followed as appropriate.
: Not applicable.
: The authors declare that they have no competing interests.