Vitamin D and metabolic disturbances in polycystic ovary syndrome (PCOS): A cross-sectional study

• Y. H. M. Krul-Poel ,

  Roles Formal analysis, Methodology, Writing – original draft

  * E-mail: s.simsek@nwz.nl (SS); y.krul@vumc.nl (YKP)

  Affiliation Department of Internal Medicine/Endocrinology, VU University Medical Center, Amsterdam, The Netherlands

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• P. P. Koenders,

  Roles Formal analysis, Writing – review & editing

  Affiliation Department of Internal Medicine, Medical Center Alkmaar, Alkmaar, The Netherlands

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• R. P. Steegers-Theunissen,

  Roles Funding acquisition, Writing – review & editing

  Affiliations Department of Pediatrics, Division of Neonatology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands, Department of Obstetrics and Gynecology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands

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• E. ten Boekel,

  Roles Writing – review & editing

  Affiliation Department of Clinical Chemistry, Hematology & Immunology, Medical Center Alkmaar, Alkmaar, The Netherlands

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• M. M. ter Wee,

  Roles Methodology, Writing – review & editing

  Affiliation Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, the Netherlands

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• Y. Louwers,

  Roles Writing – review & editing

  Affiliation Department of Obstetrics and Gynecology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands

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• P. Lips,

  Roles Writing – review & editing

  Affiliation Department of Internal Medicine/Endocrinology, VU University Medical Center, Amsterdam, The Netherlands

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• J. S. E. Laven ,

  Contributed equally to this work with: J. S. E. Laven, S. Simsek

  Roles Conceptualization, Funding acquisition, Methodology, Writing – review & editing

  Affiliation Division of Reproductive Medicine, Department of Obstetrics, Gynecology, Erasmus Medical Center Rotterdam, The Netherlands

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• S. Simsek

  Contributed equally to this work with: J. S. E. Laven, S. Simsek

  Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

  * E-mail: s.simsek@nwz.nl (SS); y.krul@vumc.nl (YKP)

  Affiliations Department of Internal Medicine/Endocrinology, VU University Medical Center, Amsterdam, The Netherlands, Department of Internal Medicine, Medical Center Alkmaar, Alkmaar, The Netherlands

  http://orcid.org/0000-0001-8942-1503

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