Ariza, Lorena
Zaguirre, Mireia
García, Marta
Blasco, Ester
Rabanal, Rosa Maria
Bosch, Assumpició
Otaegui, Pedro José
Article History
Received: 14 January 2014
Accepted: 19 March 2014
First Online: 19 June 2014
Competing interests
: The authors declare no competing financial interests.