Vold, Jørn Henrik
Skurtveit, Svetlana
Aas, Christer
Chalabianloo, Fatemeh
Kloster, Pia Synnøve
Johansson, Kjell Arne
Fadnes, Lars Thore
Funding for this research was provided by:
Norges Forskningsråd (269855, 269855)
Article History
Received: 29 May 2019
Accepted: 6 April 2020
First Online: 25 April 2020
Ethics approval and consent to participate
: The Regional Committee for Medical and Health Research Ethics, REC vest, Norway, has approved the use of registry data for the study (approval number 2018/939/REK Vest, June 19, 2018). No informed consent from the patients was necessary.
: Not applicable.
: The authors declare that they have no competing interests.