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Research Article

Vitamin D and Respiratory Tract Infections: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

  • Peter Bergman,

    Affiliations: Department of Laboratory Medicine, Division of Clinical Microbiology, Karolinska Institutet, Stockholm, Sweden, Department of Medicine, Center for Infectious Medicine (CIM), Karolinska Institutet, Stockholm, Sweden

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  • Åsa U. Lindh,

    Affiliation: Northern Stockholm Psychiatry, St. Göran Hospital, Stockholm, Sweden

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  • Linda Björkhem-Bergman,

    Affiliation: Department of Laboratory Medicine, Division of Clinical Pharmacology, Karolinska Institutet, Stockholm, Sweden

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  • Jonatan D. Lindh mail

    jonatan.lindh@ki.se

    Affiliation: Department of Laboratory Medicine, Division of Clinical Pharmacology, Karolinska Institutet, Stockholm, Sweden

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  • Published: June 19, 2013
  • DOI: 10.1371/journal.pone.0065835

About the Authors

Peter Bergman
Department of Laboratory Medicine, Division of Clinical Microbiology, Karolinska Institutet, Stockholm, Sweden
Peter Bergman
Department of Medicine, Center for Infectious Medicine (CIM), Karolinska Institutet, Stockholm, Sweden
Åsa U. Lindh
Northern Stockholm Psychiatry, St. Göran Hospital, Stockholm, Sweden
Linda Björkhem-Bergman, Jonatan D. Lindh
Department of Laboratory Medicine, Division of Clinical Pharmacology, Karolinska Institutet, Stockholm, Sweden

Corresponding Author

Email: jonatan.lindh@ki.se

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JDL PB. Performed the experiments: JDL PB ÅUL LBB. Analyzed the data: JDL. Contributed reagents/materials/analysis tools: JDL. Wrote the paper: PB ÅUL LBB JDL.