Accuracy of the National Institute for Neurological Disorders and Stroke/Society for Progressive Supranuclear Palsy and neuroprotection and natural history in Parkinson plus syndromes criteria for the diagnosis of progressive supranuclear palsy - Respondek, G; Roeber, S; Kretzschmar, H; Troakes, C; Al-Sarraj, S; Gelpi, E; Gaig, C; Chiu WZ van Swieten, JC; Oertel, WH; Höglinger, GU (Mov Disord, 2013)