Cheng, Socheat http://orcid.org/0000-0003-2277-7585
Siddiqui, Tahreem Ghazal
Gossop, Michael
Stavem, Knut
Kristoffersen, Espen Saxhaug
Lundqvist, Christofer
Funding for this research was provided by:
Norges Forskningsråd (256431)
Helse Sør-Øst RHF (2011016)
Article History
Received: 8 October 2019
Accepted: 19 October 2020
First Online: 23 October 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Regional Committee for Medical Research Ethics – South East Norway (Reference number: 2016/2289/REK Sør-Øst) and the Data Protection Office at Akershus University Hospital (Reference number: 17–054). All participants provided written informed consents.
: Not applicable.
: CL reports having received research grants from the South-East Regional Health authority, during the conduct of the study as well as grants and personal fees from Abbvie pharma AS and Roche Norway AS, outside this submitted work. The agencies had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript. Other authors declared no conflicts of interest.