Kaukonen, Riina
Mai, Anja
Georgiadou, Maria
Saari, Markku
De Franceschi, Nicola
Betz, Timo
Sihto, Harri http://orcid.org/0000-0001-5265-5509
Ventelä, Sami
Elo, Laura
Jokitalo, Eija
Westermarck, Jukka
Kellokumpu-Lehtinen, Pirkko-Liisa
Joensuu, Heikki http://orcid.org/0000-0003-0281-2507
Grenman, Reidar
Ivaska, Johanna
Article History
Received: 8 September 2015
Accepted: 15 June 2016
First Online: 4 August 2016
Competing interests
: The authors declare no competing financial interests.