Hansen, Tue H. http://orcid.org/0000-0001-5948-8993
Madsen, Marie T. B.
Jørgensen, Niklas R. http://orcid.org/0000-0001-9624-5210
Cohen, Arieh S.
Hansen, Torben
Vestergaard, Henrik http://orcid.org/0000-0003-3090-269X
Pedersen, Oluf
Allin, Kristine H.
Article History
Received: 2 October 2017
Revised: 8 November 2017
Accepted: 18 December 2017
First Online: 23 January 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.