Johansson, Mikael P. http://orcid.org/0000-0002-9793-8235
Maaheimo, Hannu http://orcid.org/0000-0001-6563-3421
Ekholm, Filip S.
Article History
Received: 10 May 2017
Accepted: 31 October 2017
First Online: 21 November 2017
Competing Interests
: The authors declare that they have no competing interests.