Uusitalo, Elina
Kallionpää, Roope A
Kurki, Samu
Rantanen, Matti
Pitkäniemi, Janne
Kronqvist, Pauliina
Härkönen, Pirkko
Huovinen, Riikka
Carpen, Olli
Pöyhönen, Minna
Peltonen, Sirkku
Peltonen, Juha
Article History
Received: 11 August 2016
Revised: 21 October 2016
Accepted: 11 November 2016
First Online: 8 December 2016
Competing interests
: The authors declare no conflict of interest.