Holmvall, P. http://orcid.org/0000-0002-1866-2788
Vorontsov, A. B. http://orcid.org/0000-0001-8888-1874
Fogelström, M. http://orcid.org/0000-0003-3441-2559
Löfwander, T. http://orcid.org/0000-0002-1486-6126
Article History
Received: 13 December 2017
Accepted: 1 May 2018
First Online: 6 June 2018
Competing interests
: The authors declare no competing interests.