Serum progranulin levels are associated with frailty in middle-aged individuals

• Andrew D. Nguyen ,

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

  * E-mail: andy.d.nguyen@health.slu.edu (ADN); john.morley@health.slu.edu (JEM)

  Affiliations Division of Geriatric Medicine, Department of Internal Medicine, Saint Louis University School of Medicine, St. Louis, Missouri, United States of America, Department of Pharmacology and Physiology, Saint Louis University School of Medicine, St. Louis, Missouri, United States of America, Henry and Amelia Nasrallah Center for Neuroscience, Saint Louis University, St. Louis, Missouri, United States of America

  http://orcid.org/0000-0002-9492-9472

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• Theodore K. Malmstrom,

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

  Affiliations Henry and Amelia Nasrallah Center for Neuroscience, Saint Louis University, St. Louis, Missouri, United States of America, Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, St. Louis, Missouri, United States of America

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• Michael L. Niehoff,

  Roles Investigation

  Affiliations Division of Geriatric Medicine, Department of Internal Medicine, Saint Louis University School of Medicine, St. Louis, Missouri, United States of America, Veterans Affairs Medical Center, St. Louis, Missouri, United States of America

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• Asef Aziz,

  Roles Writing – original draft, Writing – review & editing

  Affiliation Division of Geriatric Medicine, Department of Internal Medicine, Saint Louis University School of Medicine, St. Louis, Missouri, United States of America

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• Douglas K. Miller,

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Writing – review & editing

  Affiliation Regenstrief Institute, Inc., Indianapolis, Indiana, United States of America

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• John E. Morley

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Supervision, Writing – review & editing

  * E-mail: andy.d.nguyen@health.slu.edu (ADN); john.morley@health.slu.edu (JEM)

  Affiliation Division of Geriatric Medicine, Department of Internal Medicine, Saint Louis University School of Medicine, St. Louis, Missouri, United States of America

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