Helgesen, Emily
Sætre, Frank
Skarstad, Kirsten
Funding for this research was provided by:
Helse Sør-Øst RHF (2012062)
Article History
Received: 30 April 2020
Accepted: 11 December 2020
First Online: 12 January 2021
Competing interests
: The authors declare no competing interests.