Funding for this research was provided by:
Region Zealand Health Research Foundation
Naestved, Slagelse and Ringsted Hospitals Research Fund
Bispebjerg and Frederiksberg Hospital Research Fund
Received: 5 March 2020
Accepted: 1 June 2020
First Online: 11 June 2020
Ethics approval and consent to participate
: The study was approved by the Regional Data Protection Agency in Region Zealand (REG-060-2014). Administrative permission to access the data was acquired from the Head of Department of Emergency Medicine and the Hospital Administration, Slagelse Hospital, Region Zealand, Denmark. The study was not covered by the Committee Act and was without the obligation to report to the ethics committee system.
: Not applicable.
: The authors declare that they have no competing interests.