Chronic Obstructive Pulmonary Disease Is Associated with Low Levels of Vitamin D

• Louise Jeanette Pauline Persson ,

  * E-mail: louise.persson@med.uib.no

  Affiliation Department of Thoracic Medicine, Haukeland University Hospital, Bergen, Norway

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• Marianne Aanerud,

  Affiliation Department of Thoracic Medicine, Haukeland University Hospital, Bergen, Norway

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• Pieter Sicco Hiemstra,

  Affiliation Department of Pulmonology, Leiden University Medical Center, Leiden, The Netherlands

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• Jon Andrew Hardie,

  Affiliations Department of Thoracic Medicine, Haukeland University Hospital, Bergen, Norway, Institute of Medicine, University of Bergen, Bergen, Norway

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• Per Sigvald Bakke,

  Affiliation Institute of Medicine, University of Bergen, Bergen, Norway

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• Tomas Mikal Lind Eagan

  Affiliations Department of Thoracic Medicine, Haukeland University Hospital, Bergen, Norway, Institute of Medicine, University of Bergen, Bergen, Norway

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