This author has not been identified. Look up 'Giovanna Di Pasquale' in GoogleThis author has not been identified. Look up 'Salvatore Graziani' in GoogleThis author has not been identified. Look up 'Manuela La Rosa' in GoogleThis author has not been identified. Look up 'Giovanni Sicurella' in GoogleThis author has not been identified. Look up 'Elena Umana' in Google