Krawczyk, Katarzyna K.
Ekman, Mari
Rippe, Catarina
Grossi, Mario
Nilsson, Bengt-Olof
Albinsson, Sebastian
Uvelius, Bengt
Swärd, Karl
Article History
Received: 3 February 2016
Accepted: 8 August 2016
First Online: 1 September 2016
Competing interests
: The authors declare no competing financial interests.