Christersson, Albert
Höijer, Jonas
Möller, Michael
Michaëlsson, Karl
Funding for this research was provided by:
Uppsala University
Article History
Received: 10 December 2025
Accepted: 24 April 2026
First Online: 4 May 2026
Declarations
:
: The study was approved by the Swedish Ethical Review Authority (Dnr 2015/229 and 2019/06090) and complies with the Helsinki Declaration as revised in 2013, which is required for accessing data from a National Quality Register. In accordance with Swedish legislation, National Quality Registers do not require informed consent from the individual registered patient. Information is available at Emergency departments and outpatient clinics informing patients on data being reported. Patients have the right to decline registration and contact the register to have the data removed after data collection.
: Not applicable.
: The authors declare no competing interests.