Funding for this research was provided by:
Helse Sør-Øst RHF (2017083)
Received: 17 August 2020
Accepted: 11 December 2020
First Online: 5 January 2021
Ethics approval and consent to participate
: The study was approved by the Regional Ethics Committee in Norway (project id: 2017/1606). All participants signed informed consent to participate.
: Not applicable.
: CM Bulik reports: Shire (grant recipient, Scientific Advisory Board member); Idorsia (consultant); Pearson (author, royalty recipient). The remaining authors report no conflict of interest.