Funding for this research was provided by:
FinnHEMS Research and Development Unit
Helsinki University Hospital (state funding, VTR TYH2019243)
Received: 13 December 2021
Accepted: 31 March 2022
First Online: 12 April 2022
: We requested and were granted permission to conduct this study from each participating hospital district (Oulu University Hospital 200/2019 2.7.2019, Helsinki University Hospital HUS/280/2019 9.7.2019, Turku University Hospital J30/19 4.8.2019, Hospital District of Lapland 32/2019 22.8.2019, Kuopio University Hospital RPL 102/2019 22.8.2019, Tampere University Hospital RTL-R19580 2.9.2019). Ethical permission, although not necessary for observational studies, was granted by the Ethical Board of the University of Helsinki (HUS/3115/2019 §194 27.11.2019). The Finnish Institute for Health and Welfare granted permission to the HILMO data (Dnro THL/2231/5.05.00/2019 21.2.2020) The study was purely observational and did not affect patient treatment in any way. Thus, patient consent was not required according to Finnish legislation, nor was it sought.
: Not applicable.
: The authors declare that they have no competing interests.