Tolonen, Teemu T
Isola, Jorma
Kaipia, Antti
Riikonen, Jarno
Koivusalo, Laura
Huovinen, Sanna
Laurila, Marita
Porre, Sinikka
Tirkkonen, Mika
Kujala, Paula
Article History
Received: 24 October 2014
Accepted: 26 January 2015
First Online: 8 March 2015