Sensitivity and specificity of a seed amplification assay for diagnosis of multiple system atrophy: a multicentre cohort study

Yihua Ma, Carly M. Farris, Sandrina Weber, Sebastian Schade, Hieu Nguyen, Alexandra Pérez‐Soriano, Darly Milena Giraldo, Manel Fernández, Marta Soto, Ana Cámara, Cèlia Painous, Esteban Muñoz, Francesc Valldeoriola, Marı́a José Martı́, Jordi Clarimón, Pekka Kallunki, C. Thong, Roy N. Alcalay, Bárbara Fernandes Gomes, Kaj Blennow, Henrik Zetterberg, Julius Constantinescu, David Mengel, Vaibhavi Kadam, Piero Parchi, Kathrin Brockmann, Thomas F. Tropea, Andrew Siderowf, Matthis Synofzik, Un Jung Kang, Yaroslau Compta, Per Svenningsson, Brit Mollenhauer, Luis Concha‐Marambio