Index or illusion: The case of frailty indices in the Health and Retirement Study

• Yi-Sheng Chao,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  Current address: Canadian Agency for Drugs and Technologies in Health, Ottawa, Ontario, Canada

  Affiliation Centre de recherche du centre hospitalier de l’Université de Montréal (CRCHUM), Université de Montréal, Montréal, Québec, Canada

  http://orcid.org/0000-0002-4019-3586

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• Hsing-Chien Wu,

  Roles Writing – review & editing

  Affiliation Taipei Hospital, Ministry of Health and Welfare, New Taipei city, Taiwan

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• Chao-Jung Wu,

  Roles Writing – review & editing

  Affiliation Département d'informatique, Université du Québec à Montréal, Montréal, Québec, Canada

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• Wei-Chih Chen

  Roles Writing – review & editing

  * E-mail: wiji.chen@gmail.com

  Affiliations Department of Chest Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan

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