Hansen, Henning Gram
Nilsson, Claes Nymand
Lund, Anne Mathilde
Kol, Stefan
Grav, Lise Marie
Lundqvist, Magnus
Rockberg, Johan
Lee, Gyun Min
Andersen, Mikael Rørdam
Kildegaard, Helene Faustrup
Article History
Received: 3 July 2015
Accepted: 10 November 2015
First Online: 11 December 2015
Competing interests
: The authors declare no competing financial interests.