Speech Biomarkers in Rapid Eye Movement Sleep Behavior Disorder and Parkinson Disease.

"Potential Conflicts of Interest Nothing to report."

"This study was supported by the Michael J. Fox Foundation for Parkinson's Research (grant 12546) and the Czech Health Research Council (NV19‐04‐00120 and NU20‐08‐00445, J.R., M.N., T.T., and P.D.). The Montreal cohort is supported by the Canadian Institutes of Health Research. J.‐F.G. holds a Canada Research Chair in Cognitive Decline in Pathological Aging. W.O. is Hertie‐Senior‐Research Professor, supported by the Charitable Hertie Foundation, Frankfurt/Main, Germany. Recruitment and phenotyping of subjects with REM Sleep behavior disorder (RBD) was supported by the ParkinsonFonds Deutschland (W.O. and A.J.). Research support for the Mayo Clinic REM Sleep Behavior Disorder Patient Registry was provided by the National Center for Research Resources and the National Center for Advancing Translational Sciences, National Institutes of Health (1 UL1 RR024150‐01, E.K.S.) and from NIH/NIA (R34AG056639 [NAPS], E.K.S.). No funding source had any role in the writing of the manuscript or the decision to submit it for publication. No authors have been paid to write this article by a pharmaceutical company or other agency."