Larsson, Anette http://orcid.org/0000-0002-0405-3877
Palstam, Annie
Bjersing, Jan
Löfgren, Monika
Ernberg, Malin
Kosek, Eva
Gerdle, Björn
Mannerkorpi, Kaisa
Article History
Received: 27 October 2017
Accepted: 12 April 2018
First Online: 19 April 2018
Ethics approval and consent to participate
: The study was conducted in accordance with the Declaration of Helsinki, with approval for all sites i.e. Gothenburg, Stockholm and Linköping, from the Regional Ethics Committee at Karolinska Institute in Stockholm (2010/1121–31/3). All the participants were given written and oral information and written consent was obtained.
: The authors declare that they have no competing interests. No financial conflicts of interest are declared for any of the authors.
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