Kaur, Kiranpreet
Besnier, Francois
Glover, Kevin A.
Nilsen, Frank
Aspehaug, Vidar Teis
Fjørtoft, Helene Børretzen http://orcid.org/0000-0001-8195-0582
Horsberg, Tor Einar
Article History
Received: 13 March 2017
Accepted: 7 September 2017
First Online: 27 September 2017
Competing Interests
: The authors declare that they have no competing interests.