Four months vitamin D supplementation to vitamin D insufficient individuals does not improve muscular strength: A randomized controlled trial

• Guri Grimnes ,

  Roles Formal analysis, Methodology, Writing – original draft

  * E-mail: guri.grimnes@unn.no

  Affiliations Tromsø Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway, Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway

  http://orcid.org/0000-0003-2292-9489

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• Julia Kubiak,

  Roles Investigation, Project administration, Writing – review & editing

  Affiliations Tromsø Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway, Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway

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• Rolf Jorde

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Writing – review & editing

  Affiliations Tromsø Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway, Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway

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