Solbakken, Gro
Løseth, Sissel
Froholdt, Anne
Eikeland, Torunn D.
Nærland, Terje
Frich, Jan C.
Dietrichs, Espen
Ørstavik, Kristin
Article History
Received: 30 October 2020
Accepted: 16 February 2021
First Online: 4 March 2021
Declarations
:
: This study was approved by the Regional Committee for Medical and Health Research Ethics (REC), South East of Norway (# 2011/2186). All patients gave their written informed consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.