Obstructive sleep apnea and objective short sleep duration are independently associated with the risk of serum vitamin D deficiency

• Ronaldo D. Piovezan ,

  Roles Conceptualization, Formal analysis, Methodology, Project administration, Supervision, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: rdpiovezan@gmail.com

  Affiliation Department of Psychobiology, Universidade Federal de Sao Paulo, São Paulo, São Paulo, Brazil

  http://orcid.org/0000-0003-2537-8766

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• Camila Hirotsu,

  Roles Data curation, Formal analysis, Funding acquisition, Methodology, Writing – review & editing

  Affiliation Department of Psychobiology, Universidade Federal de Sao Paulo, São Paulo, São Paulo, Brazil

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• Marcia C. Feres,

  Roles Conceptualization, Data curation, Funding acquisition, Investigation, Resources, Writing – review & editing

  Affiliation Department of Psychobiology, Universidade Federal de Sao Paulo, São Paulo, São Paulo, Brazil

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• Fatima D. Cintra,

  Roles Data curation, Funding acquisition, Investigation, Writing – review & editing

  Affiliation Department of Medicine, Universidade Federal de Sao Paulo, São Paulo, São Paulo, Brazil

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• Monica L. Andersen,

  Roles Data curation, Funding acquisition, Resources, Writing – review & editing

  Affiliation Department of Psychobiology, Universidade Federal de Sao Paulo, São Paulo, São Paulo, Brazil

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• Sergio Tufik,

  Roles Data curation, Funding acquisition, Investigation, Resources, Writing – review & editing

  Affiliation Department of Psychobiology, Universidade Federal de Sao Paulo, São Paulo, São Paulo, Brazil

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• Dalva Poyares

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

  Affiliation Department of Psychobiology, Universidade Federal de Sao Paulo, São Paulo, São Paulo, Brazil

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