Intronic *FGF14* GAA repeat expansions impact progression and survival in multiple system atrophy

Authors: Viorica Chelban, David Pellerin, Nirosen Vijiaratnam, Hamin Lee, Yen Yee Goh, Lauren Brown, Sara Sambin, Danielle Seilhean, Stephane Lehericy, Pablo Iruzubieta, Rahema Mohammad, Eleanor Self, Annarita Scardamaglia, Cameron Lee, Miriama Ostrozovicova, Marie-Josée Dicaire, Christine Girges, Emil K Gustavsson, David Murphy, Toby Curless, Joshua Laβ, Joanne Trinh, Timothy Rittman, James B Rowe, Marios Hadjivassiliou, Neil Archibald, Matt C Danzi, Catherine Ashton, Virginie Roth, Marion Wandzel, Warren A Cheung, Djordje O Gveric, Bart De Vil, Jordan Follett, P Nigel Leigh, Lukas Beichert, Tomi Pastinen, Céline Bonnet, Mathilde Renaud, Wassilios G Meissner, Anne Sieben, David Crosiers, Patrick Cras, Stephan Zuchner, Jean-Christophe Corvol, Matthew J Farrer, Matthis Synofzik, Bernard Brais, Tom Warner, Huw R Morris, Zane Jaunmuktane, Tom Foltynie, Henry Houlden