Funding for this research was provided by:
Received: 16 May 2017
Accepted: 30 January 2018
First Online: 5 February 2018
Ethics approval and consent to participate
: The Regional Committee for Medical and Health Research Ethics in Central Norway has approved the protocol (No.: 2014/2279), and the trial is registered inExternalRef removed(NCT02541890). All participants who are included in qualitative observation and interview studies will sign an informed consent before they take part in the study.
: Not applicable.
: MBR participated in 2017 and 2018 as a research advisor regarding a study conducted and funded by Janssen-Cilag A/S. All other authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.