Paiva, B
Azpilikueta, A
Puig, N
Ocio, E M
Sharma, R
Oyajobi, B O
Labiano, S
San-Segundo, L
Rodriguez, A
Aires-Mejia, I
Rodriguez, I
Escalante, F
de Coca, A G
Barez, A
San Miguel, J F
Melero, I
Article History
First Online: 17 March 2015
Competing interests
: The authors declare no conflict of interest.