Klar, Joakim http://orcid.org/0000-0003-4185-7409
Raykova, Doroteya http://orcid.org/0000-0001-6452-2199
Gustafson, Elisabet
Tóthová, Iveta
Ameur, Adam
Wanders, Alkwin
Dahl, Niklas
Article History
Received: 30 October 2014
Revised: 22 January 2015
Accepted: 11 February 2015
First Online: 18 March 2015
Competing interests
: The authors declare no conflict of interest.