Planells-Ferrer, L
Urresti, J
Soriano, A
Reix, S
Murphy, D M
Ferreres, J C
BorrĂ s, F
Gallego, S
Stallings, R L
Moubarak, R S
Segura, M F
Comella, J X
Article History
Received: 27 March 2014
Revised: 15 July 2014
Accepted: 22 July 2014
First Online: 4 September 2014
Competing interests
: The authors declare no conflict of interest.