Received: 15 November 2022
Accepted: 25 January 2023
First Online: 5 February 2023
: This study was assessed by the Central Denmark Region Committee on Ethics and categorized as a quality development project, waiving the need for approval and patient consent.
: Not applicable.
: MTB authors e-learning on point-of-care ultrasound for USabcd.org, for which he receives royalties. The other authors declare that they have no competing interests.