Characteristics of progressive supranuclear palsy presenting with corticobasal syndrome: a cortical variant.

"Conflict of interest: The authors in this study report no conflict of interest."

"Funding H. L. is supported by the PSP Association research grant (6AMN) and is employed by the Reta Lila Weston Trust for Medical Research, University College London. L. A. M. has been supported by a grant from the PSP (Europe) Association. J. L. H. is supported by the Reta Lila Weston Institute for Neurological Studies. T. R. and J. L. H. are supported by research grants from Alzheimer's Research UK, Parkinson's UK and the Multiple System Atrophy Trust. N. B. is supported by research grants from the MRC and Parkinson's UK. This work was undertaken at UCLH/UCL who received a proportion of funding from the Department of Health's NIHR Biomedical Research Centres funding scheme. The research was partly supported by the National Institute for Health Research (NIHR) Biomedical Research Unit in Dementia based at University College London Hospitals (UCLH), University College London (UCL). The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health."