Karlsson, H K
Tuulari, J J
Tuominen, L
Hirvonen, J
Honka, H
Parkkola, R
Helin, S
Salminen, P
Nuutila, P
Nummenmaa, L
Article History
Received: 31 May 2015
Revised: 5 August 2015
Accepted: 10 August 2015
First Online: 13 October 2015
Competing interests
: The authors declare no conflict of interest.