Fava, Cristiano
Sjögren, Marketa
Olsson, Sandra
Lövkvist, Håkan
Jood, Katarina
Engström, Gunnar
Hedblad, Bo
Norrving, Bo
Jern, Christina
Lindgren, Arne
Melander, Olle
Article History
Received: 8 April 2014
Revised: 21 August 2014
Accepted: 5 September 2014
First Online: 8 October 2014
Competing interests
: The authors declare no conflict of interest.