Herschend, Jakob
Damholt, Zacharias B. V.
Marquard, Andrea M.
Svensson, Birte
Sørensen, Søren J.
Hägglund, Per http://orcid.org/0000-0002-6627-7518
Burmølle, Mette http://orcid.org/0000-0003-1870-632X
Article History
Received: 30 May 2017
Accepted: 15 November 2017
First Online: 28 November 2017
Competing Interests
: The authors declare that they have no competing interests.