María A Jiménez-Sousa*, Amanda Fernández-Rodríguez, María Guzmán-Fulgencio, Mónica García-Álvarez and Salvador Resino*
* Corresponding authors: María A Jiménez-Sousa majimenezsousa@yahoo.es - Salvador Resino sresino@isciii.es
BMC Medicine 2013, 11:6 doi:10.1186/1741-7015-11-6