Early-onset phenotype of bi-allelic GRN mutations.

Neuray C, Sultan T, Alvi JR, Franca MC, Assmann B, Wagner M, Canafoglia L, Franceschetti S, Rossi G, Santana I, Macario MC, Almeida MR, Kamate M, Parikh S, Elloumi HZ, Murphy D, Efthymiou S, Maroofian R, Houlden H.