Irvine, John T. S. https://orcid.org/0000-0002-8394-3359
Neagu, Dragos https://orcid.org/0000-0001-7208-1055
Verbraeken, Maarten C.
Chatzichristodoulou, Christodoulos https://orcid.org/0000-0001-6499-5914
Graves, Christopher
Mogensen, Mogens B. https://orcid.org/0000-0002-0902-0580
Article History
Received: 22 September 2015
Accepted: 21 November 2015
First Online: 11 January 2016
Competing interests
: The authors declare no competing financial interests.