Letters: New Observations
Relation of clinical subtypes in Parkinson's disease with survival
Funding agencies: This work was supported by a grant from the Dutch Parkinson's Disease Society (J.J.v.H.). The funding source had no role in the study design, collection, analysis and interpretation of data, or writing of the report.
Relevant conflicts of interest/financial disclosures: Nothing to report.
Full financial disclosures and author roles may be found in the online version of this article.
No abstract is available for this article.