Christensen, Alex Hørby
Kamstrup, Pia Rørbœk
Gandjbakhch, Estelle
Benn, Marianne
Jensen, Jan Skov
Bundgaard, Henning
Villard, Eric
Tybjærg-Hansen, Anne
Article History
Received: 2 February 2015
Revised: 24 June 2015
Accepted: 30 June 2015
First Online: 12 August 2015
Competing interests
: The authors declare no conflict of interest.