P005: Atidarsagene autotemcel (hematopoietic stem cell–gene therapy) preserves cognitive and motor development in metachromatic leukodystrophy with up to 12 years follow-up* oleh Francesca Fumagalli, Valeria Calbi, Fabiola De Mattia, Alberto Zambon, Vera Gallo, Salvatore Recupero, Elena Sophia Fratini, Alessia Ippolito, Francesca Ciotti, Maddalena Fraschini, Marina Sarzana, Stefano Scarparo, Eugenio Montini, Sara Locatelli, Marcella Facchini, Alessandra Clerici, Francesco Morena, Sabata Martino, Muska Yarzi, Sean Moro, Andrew Shenker, Jean Brooks, Alan Richardson, Leslie Meltzer, Laura Campbell, Alessandro Aiuti