Nilsson, Mona http://orcid.org/0000-0002-0145-4472
Arving, Cecilia
Thormodsen, Inger
Assmus, Jörg
Berntsen, Sveinung
Nordin, Karin
Article History
Received: 26 June 2019
Accepted: 5 November 2019
First Online: 23 November 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Informed consent was obtained from all individual participants included in the study.