Funding for this research was provided by:
National Institute on Drug Abuse (R01DA030005, AA027522)
Vetenskapsrådet (2020-01175, 2018-02400)
Medicinska Fakulteten, Lunds Universitet (ALF project grant, Yngre ALF)
Region Skåne (Primary Healthcare Management)
Accepted: 9 September 2021
First Online: 26 September 2021
: Ethics approval for the study was obtained from the Regional Ethical Review Board of Lund (No. 2008/409, 2012/795, and 2016/679). Since the study was register based, consent to participate was not applicable.
: Not applicable (register based study).
: Disa Dahlman, Henrik Ohlsson, Alexis C. Edwards, Jan Sundquist and Kristina Sundquist declare that they have no conflicts of interest. Anders Håkansson holds a researcher position sponsored by the state-owned gambling operator AB Svenska Spel, and has funding from the research council of that body as well as from the research council of the Swedish alcohol monopoly, Systembolaget AB. Anders Håkansson has a non-financial collaboration with the company Kontigo care in the study planning of research related to follow-up tools in gambling disorder treatment, where the company is planned to provide follow-up devices free of charge. None of the organizations above have any role in or influence on the present work.