Pollock, K G J
Kavanagh, K
Potts, A
Love, J
Cuschieri, K
Cubie, H
Robertson, C
Cruickshank, M
Palmer, T J
Nicoll, S
Donaghy, M
Article History
Received: 7 May 2014
Revised: 22 July 2014
Accepted: 7 August 2014
First Online: 2 September 2014
Competing interests
: The authors declare no conflict of interest.