Self-administered Vitamin D Status Predictor: Older adults are able to use a self-questionnaire for evaluating their vitamin D status

• Cedric Annweiler ,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Visualization, Writing – original draft

  * E-mail: Cedric.Annweiler@chu-angers.fr

  Affiliations Department of Neurosciences and Aging, Division of Geriatric Medicine, Angers University Hospital; Angers University Memory Clinic; Research Center on Autonomy and Longevity; UPRES EA 4638, University of Angers, UNAM, Angers, France, Robarts Research Institute, Department of Medical Biophysics, Schulich School of Medicine and Dentistry, the University of Western Ontario, London, Ontario, Canada

  http://orcid.org/0000-0002-7199-8109

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• Anastasiia Kabeshova,

  Roles Data curation, Formal analysis, Methodology, Software, Validation, Writing – review & editing

  Affiliation Department of Neurosciences and Aging, Division of Geriatric Medicine, Angers University Hospital; Angers University Memory Clinic; Research Center on Autonomy and Longevity; UPRES EA 4638, University of Angers, UNAM, Angers, France

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• Alix Callens,

  Roles Investigation, Writing – review & editing

  Affiliation Health Faculty, School of Medicine, Angers, France

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• Marie-Liesse Paty,

  Roles Investigation, Writing – review & editing

  Affiliation Health Faculty, School of Medicine, Angers, France

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• Guillaume T. Duval,

  Roles Investigation, Writing – review & editing

  Affiliation Department of Neurosciences and Aging, Division of Geriatric Medicine, Angers University Hospital; Angers University Memory Clinic; Research Center on Autonomy and Longevity; UPRES EA 4638, University of Angers, UNAM, Angers, France

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• Michael F. Holick

  Roles Visualization, Writing – original draft

  Affiliation Section of Endocrinology, Diabetes and Nutrition, Department of Medicine, Boston University Medical Center, Boston, MA, United States of America

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