Skoie, I. M.
Dalen, I.
Omdal, R.
Jonsson, G.
Funding for this research was provided by:
Western Norway Regional Health Authority (912015)
Article History
Received: 14 May 2018
Revised: 18 February 2019
Accepted: 25 February 2019
First Online: 4 March 2019
Compliance with ethical standards
:
: The authors report no conflicts of interest.
: This study was approved by the Regional Committee for Medical Research Ethics in Norway (REK vest 2010/1455). All participants provided written informed consent, and the study was conducted in accordance with the latest revision of the Helsinki Declaration.