P1‐054: Clinical and genetic study of a large spg4 italian family with hereditary spastic paraplegia and early‐onset familial Alzheimer's disease. (1st July 2015) - Lo Giudice, Temistocle; Casella, Antonella; Mearini, Marzia; Montecchiani, Celeste; Miele, Marialuisa; Kawarai, Toshitaka; Orlacchio, Antonio