Funding for this research was provided by:
Stockholms Läns Landsting (20140095)
Received: 28 August 2020
Accepted: 23 November 2020
First Online: 18 December 2020
Ethics approval and consent to participate
: This study was performed according to the Helsinki declaration and approved by the Regional Ethical Review Board of Stockholm (Ref number: 2014/1044–32). Informed consent was waived because of the register design of this study, which did not involve any additional risk for patients.
: Not applicable.
: The authors declare that they have no competing interests.