Anstensrud, Anne Kristine
Molden, Espen
Haug, Hans Jørgen
Qazi, Rehman
Muriq, Hysen
Fosshaug, Linn E.
Spigset, Olav
Øie, Erik http://orcid.org/0000-0002-1562-2924
Article History
Received: 28 August 2019
Accepted: 8 January 2020
First Online: 15 January 2020
Compliance with ethical standards
: All procedures performed in studies involving human participants were in accordance with the ethical standards of Diakonhjemmet Hospital and the regional research committee (Regional Committee for Medical and Health Research Ethics South East; reference number 2012/139) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The authors declare that they have no conflicts of interest.
: The datasets generated during and analysed during the current study are available from the corresponding author on reasonable request.