Svensson, Jakob http://orcid.org/0000-0003-3405-4712
Bergström, Johan
Funding for this research was provided by:
Region Stockholm (X00495)
Landstingens Ömsesidiga Försäkringsbolag (X00495)
Article History
Received: 26 April 2020
Accepted: 11 August 2020
First Online: 25 August 2020
Ethics approval and consent to participate
: The Swedish Ethical Review Authority has approved the use of registry data for the study (ref: 2019–04026). The study used retrospective data and no informed consent from the patients was necessary.
: Not applicable.
: Neither of the authors declare any competing interests for this study. JS is an employee of Stockholm Centre for Dependency Disorder and a doctoral student at Lund University, Faculty of Engineering.