Figure 1. Recruitment of Patients to the Progressive Supranuclear Palsy–Corticobasal Syndrome–Multiple System Atrophy (PROSPECT) Study.
AD indicates Alzheimer disease; CBS, corticobasal syndrome; 4RT, 4-repeat tau; IDT, indeterminate; MDS, Movement Disorder Society; MSA, multiple system atrophy; NINDS-SPSP, National Institute of Neurological Disorders/Society for PSP (Progressive Supranuclear Palsy); OM, oculomotor; PGF, progressive gait freezing; and RS, Richardson syndrome.