Casey, Jillian P
McGettigan, Paul A
Healy, Fiona
Hogg, Claire
Reynolds, Alison
Kennedy, Breandan N
Ennis, Sean
Slattery, Dubhfeasa
Lynch, Sally A
Article History
Received: 16 December 2013
Revised: 22 March 2014
Accepted: 4 April 2014
First Online: 14 May 2014
Competing interests
: The authors declare no conflict of interest.