Brurok, Berit http://orcid.org/0000-0003-3193-7405
Mellema, Mirjam http://orcid.org/0000-0001-8474-6157
Sandbakk, Øyvind http://orcid.org/0000-0002-9014-5152
Baumgart, Julia Kathrin http://orcid.org/0000-0001-5628-6050
Article History
Received: 28 March 2019
Accepted: 10 July 2019
First Online: 16 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures in the present study are in accordance with the ethical standards of the Helsinki declaration. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.