Funding for this research was provided by:
Marianne and Marcus Wallenberg Foundation (MMW 2016.0081)
Forskningsrådet om Hälsa, Arbetsliv och Välfärd (2019-01141)
Article History
Received: 31 March 2020
Accepted: 23 August 2020
First Online: 4 September 2020
Ethics approval and consent to participate
: The project is covered by ethical approval from the Uppsala University Hospital Ethical Committee (DNR 247/91 and DNR 4010–91), the Ethical Research Committee of Karolinska Institutet (DNR 03–413) and the Regional Ethical Review Board in Stockholm (EPN DNR 2010/403–31/4). A relative (normally a spouse or an adult child) signed the consent form for participants who were physically or cognitively too impaired to sign the form at the time of the interview.
: Not applicable.
: The authors declare that they have no competing interests.