Röhrl, Kari
Guren, Marianne Grønlie
Småstuen, Milada Cvancarova
Rustøen, Tone
Article History
Received: 16 January 2018
Accepted: 10 December 2018
First Online: 3 January 2019
Compliance with ethical standards
: The Regional Ethical Committee (2009/1451), the Hospital Privacy Ombudsman, and the institutional review board at Oslo University Hospital approved the study.
: The authors declare that they have no conflict of interest.