Authors: James Rooney; Isabella Fogh; Henk-Jan Westeneng; Alice Vajda; Russell McLaughlin; Mark Heverin; Ashley Jones; Ruben van Eijk; Andrea Calvo; Letizia Mazzini; Christopher Shaw; Karen Morrison; Pamela J Shaw; Wim Robberecht; Phillip Van Damme; Ammar Al-Chalabi; Leonard van den Berg; Adriano Chiò; Jan Veldink; Orla Hardiman Journal: J Neurol Neurosurg Psychiatry Date: 2016-09-23 Impact factor: 10.154