Linnavalli, Tanja http://orcid.org/0000-0003-1775-5795
Putkinen, Vesa
Lipsanen, Jari
Huotilainen, Minna
Tervaniemi, Mari
Article History
Received: 13 March 2018
Accepted: 25 May 2018
First Online: 8 June 2018
Competing Interests
: The authors declare no competing interests.