Funding for this research was provided by:
Strategic Research Council of the Academy of Finland (312703)
Received: 22 September 2020
Accepted: 2 January 2021
First Online: 13 January 2021
Ethics approval and consent to participate
: The use of the data in this research was approved by the Ethics Committee of the North Savo Hospital District. This was a register-based study and consent from the patients was not needed.
: Not applicable.
: The authors declare that they have no competing interests.