Depressive symptoms before and after Parkinson’s diagnosis—A longitudinal analysis

• Shengfang Song,

  Roles Formal analysis, Writing – original draft

  Affiliation Department of Epidemiology and Biostatistics, College of Human Medicine, Michigan State University, East Lansing, MI, United States of America

  https://orcid.org/0000-0001-9134-0841

  ⨯
• Zhehui Luo,

  Roles Formal analysis, Writing – review & editing

  Affiliation Department of Epidemiology and Biostatistics, College of Human Medicine, Michigan State University, East Lansing, MI, United States of America

  ⨯
• Chenxi Li,

  Roles Formal analysis, Writing – review & editing

  Affiliation Department of Epidemiology and Biostatistics, College of Human Medicine, Michigan State University, East Lansing, MI, United States of America

  ⨯
• Xuemei Huang,

  Roles Data curation, Writing – review & editing

  Affiliation Department of Neurology, Hersey Medical Center, Pennsylvania State University, Hersey, PA, United States of America

  ⨯
• Eric J. Shiroma,

  Roles Data curation, Writing – review & editing

  Affiliation Intramural Research Program of the National Institute on Aging, Baltimore, MD, United States of America

  ⨯
• Eleanor M. Simonsick,

  Roles Data curation, Writing – review & editing

  Affiliation Intramural Research Program of the National Institute on Aging, Baltimore, MD, United States of America

  ⨯
• Honglei Chen

  Roles Conceptualization, Data curation, Formal analysis, Writing – original draft

  * E-mail: chenho19@msu.edu

  Affiliation Department of Epidemiology and Biostatistics, College of Human Medicine, Michigan State University, East Lansing, MI, United States of America

  https://orcid.org/0000-0003-3446-7779

  ⨯