Funding for this research was provided by:
Universitetssjukhuset Örebro
Region Värmland
Cancerfonden
University of Oslo
Article History
Received: 9 January 2023
Accepted: 6 June 2023
First Online: 15 June 2023
Declarations
:
: Dr. Ludvigsson has coordinated a study unrelated to the present study on behalf of the Swedish IBD Quality Register (SWIBREG). That study received funding from Janssen. Authors not named here have disclosed no conflicts of interest.
: (Stockholm ethical review board): 2014/1287–31/4 and 2018/972–32.<b>Transparency</b> The lead author (LE) affirms that this manuscript is an honest, accurate and transparent account of the study being reported; that no important aspects of the study have been omitted; and that any discrepancies from the study as planned (and, if relevant, registered) have been explained.