Leininger, Sven
Adamski, Marcin
Bergum, Brith
Guder, Corina
Liu, Jing
Laplante, Mary
BrĂ¥te, Jon
Hoffmann, Friederike
Fortunato, Sofia
Jordal, Signe
Rapp, Hans Tore
Adamska, Maja
Article History
Received: 7 February 2013
Accepted: 17 April 2014
First Online: 20 May 2014
Competing interests
: The authors declare no competing financial interests.