Clinical and genetic spectra of 1550 index patients with hereditary spastic paraplegia.

Méreaux JL, Banneau G, Papin M, Coarelli G, Valter R, Raymond L, Kol B, Ariste O, Parodi L, Tissier L, Mairey M, Ait Said S, Gautier C, Guillaud-Bataille M; French SPATAX clinical network, Forlani S, de la Grange P, Brice A, Vazza G, Durr A, Leguern E, Stevanin G.