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Oral contraceptives, reproductive factors and risk of inflammatory bowel disease
  1. Hamed Khalili1,
  2. Leslie M Higuchi2,
  3. Ashwin N Ananthakrishnan1,
  4. James M Richter1,
  5. Diane Feskanich3,
  6. Charles S Fuchs3,4,
  7. Andrew T Chan1,3
  1. 1Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
  2. 2Division of Gastroenterology and Nutrition, Children's Hospital Boston and Harvard Medical School, Boston, Massachusetts, USA
  3. 3Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
  4. 4Department of Adult Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
  1. Correspondence to Dr Andrew T Chan, Gastrointestinal Unit, Massachusetts General Hospital, 55 Fruit Street, GRJ-728A, Boston, MA 02114, USA; achan{at}partners.org

Footnotes

  • Correction notice This article has been corrected since it was published Online First. The author name Charles C Fuchs has been amended to Charles S Fuchs.

  • Funding Funded by R01 CA137178, R01 CA050385, P01 CA87969, P30 DK043351, K08 DK064256. ATC is a Damon Runyon Cancer Research Foundation clinical investigator. HK is supported by a career development award from the Crohn's and Colitis Foundation of American (CCFA). LH is supported by National Institute of Diabetes and Digestive and Kidney Diseases (K08 DK064256). ANA is supported by a career research scholars award from the American Gastroenterological Association.

  • Competing interests ATC has served as a consultant for Bayer Healthcare, Millennium Pharmaceuticals and Pfizer Inc. JMR is a consultant for Policy Analysis, Inc.

  • Ethical approval The institutional review board at the Brigham and Women's Hospital approved this study.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement Requests for access to data, statistical code, questionnaires and technical processes may be made by contacting the corresponding author at achan{at}partners.org.

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Footnotes

  • Correction notice This article has been corrected since it was published Online First. The author name Charles C Fuchs has been amended to Charles S Fuchs.

  • Funding Funded by R01 CA137178, R01 CA050385, P01 CA87969, P30 DK043351, K08 DK064256. ATC is a Damon Runyon Cancer Research Foundation clinical investigator. HK is supported by a career development award from the Crohn's and Colitis Foundation of American (CCFA). LH is supported by National Institute of Diabetes and Digestive and Kidney Diseases (K08 DK064256). ANA is supported by a career research scholars award from the American Gastroenterological Association.

  • Competing interests ATC has served as a consultant for Bayer Healthcare, Millennium Pharmaceuticals and Pfizer Inc. JMR is a consultant for Policy Analysis, Inc.

  • Ethical approval The institutional review board at the Brigham and Women's Hospital approved this study.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement Requests for access to data, statistical code, questionnaires and technical processes may be made by contacting the corresponding author at achan{at}partners.org.

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