Garcia-Barriocanal, Javier; Bruno, Flavio Y.; Rivera-Calzada, Alberto; Sefrioui, Zouhair; Nemes, Norbert M.; Garcia-Hernandez, Mar; Rubio-Zuazo, Juan; Castro, German R.; Varela, Maria; Pennycook, Stephen J.; Leon, Carlos; Santamaria, Jacobo