Gausel, Anne Marie
Malmqvist, Stefan
Andersen, Knut
Kjærmann, Inger
Larsen, Jan Petter
Dalen, Ingvild
Økland, Inger
Article History
Received: 23 August 2019
Revised: 6 December 2019
Accepted: 4 January 2020
First Online: 16 January 2020
Compliance with ethical standard
:
: None of the authors has any potential conflict of interest.
: The project was registered and approved at The Norwegian National Research Ethics Committee: REK Nord 28.01.2010 with ref.nr:20107174.
: Informed consent was obtained from all individual participants included in the study.