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Authors
Delva, Aline https://orcid.org/0000-0001-8497-2314
Joza, Stephen
Tremblay, Christina
Vo, Andrew
Filiatrault, Marie
Carrier, Madeleine
Taylor, John-Paul
O’Brien, John T.
Firbank, Michael
Thomas, Alan
Donaghy, Paul C.
Camicioli, Richard
Chertkow, Howard
Dagher, Alain
Postuma, Ronald B.
Rahayel, Shady https://orcid.org/0000-0001-5786-3278
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Funding
Funding for this research was provided by:
Parkinson Canada (PPG-2023-0000000122)
Alzheimer Society (0000000082)
Michael J. Fox Foundation for Parkinson's Research (MJFF-025745)
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Article History
Received: 3 December 2025
Accepted: 2 June 2026
First Online: 10 June 2026
Declarations
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: All participants provided written informed consent in accordance with institutional ethics protocols. The original study protocols received approval from local research ethics committees, and the present study was approved by the Research Ethics Boards of the McGill University Health Centre and the Quebec Integrated University Centre for Health and Social Services of Northern Island of Montreal.
: Not applicable.
: The authors declare no competing interests.
