e review of volumet- ric magnetic resonance imaging studies. Bruish Journal of Psy- chiatry, 172, 110-120. "'Le Ber, I., Camuzat, A., Mannequin, D., Pasquier, F., Guedj, E., Rovelet-Lecrux, A., ... French Research Network on IFFD/ FTD-MND. (2008). Phenotype variability in progranulin mutation carriers: