Dysphagia is associated with presynaptic dopaminergic dysfunction and greater non-motor symptom burden in early drug-naïve Parkinson’s patients

• Sotirios Polychronis,

  Roles Writing – original draft, Writing – review & editing

  Affiliation Neurodegeneration Imaging Group (NIG), Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom

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• Georgios Dervenoulas,

  Roles Writing – review & editing

  Affiliation Neurodegeneration Imaging Group (NIG), Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom

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• Tayyabah Yousaf,

  Roles Writing – review & editing

  Affiliation Neurodegeneration Imaging Group (NIG), Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom

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• Flavia Niccolini,

  Roles Writing – review & editing

  Affiliation Neurodegeneration Imaging Group (NIG), Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom

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• Gennaro Pagano,

  Roles Conceptualization, Data curation, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Neurodegeneration Imaging Group (NIG), Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom

  http://orcid.org/0000-0002-6247-8988

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• Marios Politis

  Roles Conceptualization, Supervision, Writing – review & editing

  * E-mail: marios.politis@kcl.ac.uk

  Affiliation Neurodegeneration Imaging Group (NIG), Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London, London, United Kingdom

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