Kockum, Karin http://orcid.org/0000-0002-4686-0941
Virhammar, Johan
Riklund, Katrine
Söderström, Lars
Larsson, Elna-Marie
Laurell, Katarina
Funding for this research was provided by:
Umea University
Article History
Received: 29 May 2019
Accepted: 29 July 2019
First Online: 10 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the regional research committee (Regional Ethical Review Board 2015/174) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study formal consent is not required.