Neuroanatomical findings in isolated REM sleep behavior disorder and early Parkinson's disease: a Voxel-based morphometry study.

"Declarations Ethical approvalThis study was carried out in accordance with the Declaration of Helsinki and approval from the local ethical committee (Ethical Committee Catania 1) was obtained. All the participants were asked to sign an informed consent prior to be included in the study. Competing interestsThe authors declare that there are no competing interests to report. Competing interests The authors declare that there are no competing interests to report."

"Funding Open access funding provided by Università degli Studi di Catania within the CRUI-CARE Agreement. This research was funded by the grant to C.E.C. “Bando per la Ricerca Finalizzata 2018” SG-2018–12368019 of the Italian Ministry of Health and by the grant to G.L. and R.F. “Ricerca Corrente RC n. 2773803” of the Italian Ministry of Health."