Persson, Nannie L.
Eriksson, Torsten
Smedmark, Jenny E. E.
Funding for this research was provided by:
Universitetet i Bergen (Not applicable)
Article History
Received: 7 December 2018
Accepted: 24 February 2020
First Online: 18 March 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.