Nygaard, Marietta http://orcid.org/0000-0002-8339-8899
Andersen, Niels Smedegaard
Moser, Claus Ernst
Olesen, Gitte
Schjødt, Ida Marie
Heilmann, Carsten
Sengeløv, Henrik
Article History
Received: 13 September 2017
Revised: 19 December 2017
Accepted: 31 December 2017
First Online: 1 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.