Prof. Manuel GraƱa
University Of the Basque Country
Address:
Paseo Manuel Lardizabal 1 Of 307
CP. 20018
San Sebastian, Spain
e-mail: manuel.grana@ehu.es
Dr. Emilio S. Corchado
University of Salamanca
Address:
Plaza de la Merced, s/n
Faculty of Science
CP. 37008
University of Salamanca
Salamanca, Spain
e-mail: escorchado@usal.es