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Many roads lead to Parkinson's disease

Authors

  • Bernard Ravina MD, MS,

    Corresponding author
    1. Biogen Idec, Cambridge, Massachusetts, USA
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  • Dag Aarsland MD, PhD

    Corresponding author
    1. Department of Neurobiology, Care Sciences, and Society, Alzheimer's Disease Reseach Center, Karolinska Institute, Stockholm, Sweden
    2. Center for Age-Related Medicine, Stavanger University Hospital, Stavanger, Norway
    3. Institute of Clinical Medicine, University of Oslo, Akershus University Hospital
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  • Relevant conflicts of interest/financial disclosures: Bernard Ravina is an employee of Biogen Idec. Dag Aarsland has received honoraria from Lundbeck, Novartis, DiaGenic, Glaxo SmithKline, GE Healthcare, served on an advisory board for DiaGenic, and received research support from Novartis, Merck Serono, Lundbeck, and GE Healthcare.Author Roles: Dr. Ravina drafted the manuscript; both Drs. Aarsland and Ravina revised the manuscript.

  • Full financial disclosures and author roles may be found in the online version of this article.

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