Abravan, Azadeh http://orcid.org/0000-0003-4839-6705
Eide, Hanne Astrid
Løndalen, Ayca Muftuler
Helland, Åslaug
Malinen, Eirik
Article History
First Online: 18 June 2018
Compliance with Ethical Standards
: The study was approved by the Regional Committee for Medical and Health Research Ethics. A written informed consent was received from all patients.
: The authors declare that they have no conflict of interest.