More than an “inverted-U”? An exploratory study of the association between the catechol-o-methyltransferase gene polymorphism and executive functions in Parkinson’s disease

• Yi-Jia Fang,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Resources, Writing – original draft, Writing – review & editing

  Affiliation Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan

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• Chun-Hsiang Tan,

  Roles Conceptualization, Data curation, Methodology, Resources, Writing – review & editing

  Affiliations Department of Neurology, Kaohsiung Medical University Hospital, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan

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• Shao-Ching Tu,

  Roles Writing – review & editing

  Affiliation School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan

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• Chien-Yu Liu,

  Roles Data curation, Writing – review & editing

  Affiliation Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan

  http://orcid.org/0000-0003-0976-9089

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• Rwei-Ling Yu

  Roles Conceptualization, Data curation, Resources, Supervision, Writing – review & editing

  * E-mail: lingyu@mail.ncku.edu.tw

  Affiliations Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Department of Neurology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan

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