Lykkegaard, Jesper
Larsen, Pia V
Paulsen, Maja S
Søndergaard, Jens
Article History
Received: 5 June 2014
Revised: 8 September 2014
Accepted: 16 September 2014
First Online: 27 November 2014
Competing interests
: All authors have completed the Unified Competing Interest form at ExternalRef removed (available on request from the corresponding author) and declare that (i) JL has support from the Governmental Region of Southern Denmark for the submitted work; (ii) the authors have had no relationships with companies that might have an interest in the submitted work in the previous 3 years; (3) their spouses, partners or children have had no financial relationships that may be relevant to the submitted work; and (4) the authors have no non-financial interests that may be relevant to the submitted work.