Funding for this research was provided by:
FinnHEMS Research and Development Unit
Helsinki University Hospital (VTR TYH2017220 and TYH2019243)
Received: 28 January 2020
Accepted: 24 April 2020
First Online: 13 May 2020
Ethics approval and consent to participate
: The study was retrospective and register-based. The patients were not contacted for study purposes, nor did the study affect their treatment. Thus, approval from an ethics committee was not required by Finnish legislation.
: Not applicable.
: The authors declare that they have no competing interests.