Lehtinen, Arttu
Laurson, Lasse http://orcid.org/0000-0001-6627-3915
Granberg, Fredric http://orcid.org/0000-0001-9058-5652
Nordlund, Kai http://orcid.org/0000-0001-6244-1942
Alava, Mikko J.
Article History
Received: 18 November 2017
Accepted: 13 April 2018
First Online: 2 May 2018
Competing Interests
: The authors declare no competing interests.