Aaltonen, Sari
Latvala, Antti
Rose, Richard J.
Kujala, Urho M.
Kaprio, Jaakko
Silventoinen, Karri
Article History
Received: 4 August 2016
Accepted: 21 November 2016
First Online: 15 December 2016
Competing interests
: The authors declare no competing financial interests.