Patients with scans without evidence of dopaminergic deficit (SWEDD) do not have early Parkinson’s disease: Analysis of the PPMI data

• Jeong Won Lee,

  Roles Conceptualization, Writing – original draft, Writing – review & editing

  Affiliation Department of Nuclear Medicine, Catholic Kwandong University College of Medicine, International St. Mary’s Hospital, Incheon, Republic of Korea

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• Yoo Sung Song ,

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

  * E-mail: yosung99@hanmail.net

  Affiliation Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea

  https://orcid.org/0000-0001-7985-1358

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• Hyeyun Kim,

  Roles Conceptualization, Investigation

  Affiliation Department of Neurology, Catholic Kwandong University College of Medicine, International St. Mary’s Hospital, Incheon, Republic of Korea

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• Bon D. Ku,

  Roles Conceptualization

  Affiliation Department of Neurology, Catholic Kwandong University College of Medicine, International St. Mary’s Hospital, Incheon, Republic of Korea

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• Won Woo Lee

  Roles Conceptualization

  Affiliations Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea, Institute of Radiation Medicine, Medical Research Center, Seoul National University, Seoul, Republic of Korea

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