Sterkenburg, Erica
Clemmensen, Karina E
Ekblad, Alf
Finlay, Roger D http://orcid.org/0000-0002-3652-2930
Lindahl, Björn D http://orcid.org/0000-0002-3384-4547
Article History
Received: 24 October 2017
Revised: 20 March 2018
Accepted: 10 April 2018
First Online: 7 June 2018
Compliance with ethical standards
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: The work behind this manuscript was supported by The Swedish Research Council FORMAS, grants 2007-1365 and 2011-1747 to BDL. The authors declare that they have no conflict of interest.