Funding for this research was provided by:
the regional agreement on medical training and clinical research (alf) between stockholm county council and karolinska institutet
the research, education, and development funds at södersjukhuset
Received: 19 June 2021
Accepted: 8 September 2021
First Online: 20 September 2021
: Ethics approval was obtained from the regional ethical review authority in Stockholm (reference number 2016/2102-31/5). All personnel at the emergency departments were informed about the study in advance. They were informed that the aim of the study was not to assess individuals, that names or other data identifying individuals would not be collected and that they had a right to call off the study at any time without having to provide an explanation.
: Not applicable.
: The authors declare that they have no competing interests.