Clinical and neuroimaging characterization of two C9orf72-positive siblings with amyotrophic lateral sclerosis and schizophrenia. - Vázquez-Costa, Juan F.; Beltrán, Eva; Sopena, Pablo; Sabater, Ana; Cardona, Fernando; Vilchez, Juan J.; Pérez-Tur, Jordi; Sevilla, Teresa (Amyotrophic Lateral Sclerosis & Frontotemporal Degeneration, 2016)