Funding for this research was provided by:
Stiftelsen Söderström Königska Sjukhemmet (SLS-559921, SLS-655791, SLS-745221)
Åke Wiberg Stiftelse (M15-0239)
Hjärnfonden
Systembolaget Aktiebolag
Forskningsrådet för Arbetsliv och Socialvetenskap
Regionala forskningsrådet i Uppsala-Örebroregionen
Fredrik och Ingrid Thurings Stiftelse
Landstinget Västmanland
Svenska spels forskningsråd
Article History
Received: 25 June 2020
Accepted: 10 December 2020
First Online: 17 April 2021
Compliance with ethical standards
:
: The study was performed according to the Declaration of Helsinki and approved by the Ethical Review Board of Uppsala (dnr 2012/187).
: The authors declare that they have no conflict of interest.