Comparison of automated and manual quantification methods for neuromelanin-sensitive MRI in Parkinson's disease.

"CONFLICT OF INTEREST STATEMENT Dr. Sarah Pirio Richardson has received honoraria for lectures from the International Parkinson's Disease and Movement Disorders Society and the American Academy of Neurology. Dr. Sarah Pirio Richardson serves on the Scientific Advisory Boards for private foundations including the Benign Essential Blepharospasm Research Foundation and the Dystonia Medical Research Foundation. She has received royalties from Springer. The remaining authors declare they have no competing financial interests."

"FUNDING INFORMATION Dr. Sephira G. Ryman's work is supported by the National Institutes of Health (R01NS133569, P30 GM122734, R03AG075408, NS100598, P20AG068077, R61 MH125126). Dr. Sarah Pirio Richardson's work is supported by the National Institutes of Health (R03AG075408), Department of Defense, and Industry (Pharma 2B, AEON, ADDEX, SCION). Dr. Erik Erhardt's work is supported by the National Institutes of Health (NS129407‐01A1, 2UF1NS100598‐06, 1R61MH125126‐01, P20‐AG068077‐01, 1P30GM122734‐01, 5R01NS098494‐05). Dr. Arvind Caprihan work is supported by NIH grants UH3 NS100598 and P20AG068077."