Maternal Plasma 25-Hydroxyvitamin D Concentrations and the Risk for Gestational Diabetes Mellitus

• Cuilin Zhang ,

  * E-mail: zhangcu@mail.nih.gov

  Affiliation Division of Epidemiology, Statistics, and Prevention Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America

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• Chunfang Qiu,

  Affiliation Center for Perinatal Studies, Swedish Medical Center, Seattle, Washington, United States of America

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• Frank B. Hu,

  Affiliations Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America, Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, United States of America, Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America

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• Robert M. David,

  Affiliation Metametrix Clinical Laboratory, Norcross, Georgia, United States of America

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• Rob M. van Dam,

  Affiliations Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, United States of America, Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America

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• Alexander Bralley,

  Affiliation Metametrix Clinical Laboratory, Norcross, Georgia, United States of America

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• Michelle A. Williams

  Affiliations Center for Perinatal Studies, Swedish Medical Center, Seattle, Washington, United States of America, Department of Epidemiology, University of Washington School of Public Health and Community Medicine, Seattle, Washington, United States of America

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