The <i>HFE</i> p.H63D (p.His63Asp) Polymorphism Is a Modifier of ALS Outcome in Italian and French Patients with <i>SOD1</i> Mutations oleh Antonio Canosa, Andrea Calvo, Gabriele Mora, Cristina Moglia, Maura Brunetti, Marco Barberis, Giuseppe Borghero, Claudia Caponnetto, Francesca Trojsi, Rossella Spataro, Paolo Volanti, Isabella Laura Simone, Fabrizio Salvi, Francesco Ottavio Logullo, Nilo Riva, Lucio Tremolizzo, Fabio Giannini, Jessica Mandrioli, Raffaella Tanel, Maria Rita Murru, Paola Mandich, Francesca Luisa Conforti, Marcella Zollino, Mario Sabatelli, Claudia Tarlarini, Christian Lunetta, Letizia Mazzini, Sandra D’Alfonso, Nathalie Guy, Vincent Meininger, Pierre Clavelou, William Camu, Adriano Chiò, on behalf of ITALSGEN Consortium