Watson, Martin M.
Lea, Dordi
Gudlaugsson, Einar
Skaland, Ivar
Hagland, Hanne R.
Søreide, Kjetil
Article History
Received: 19 December 2019
Accepted: 7 April 2020
First Online: 20 April 2020
Compliance with ethical standards
:
: The authors declare no competing interests.
: This study received pre-emptive approval by the regional ethics committee (REK Helse Vest: 2012/742). All included patients were > 18 years old and signed an informed consent form.