Gjestad, Caroline
Hole, Kristine
Haslemo, Tore
Diczfalusy, Ulf
Molden, Espen
Article History
Received: 15 January 2019
Accepted: 5 April 2019
First Online: 24 April 2019
Compliance with Ethical Standards
: The study was approved by the Regional Committee for Medical and Health Research Ethics and the Hospital’s Research Committee, and written informed consent was obtained from all participants.