About the Authors

Emily Banks

Emily.banks@anu.edu.au

Affiliation National Centre for Epidemiology and Population Health, The Australian National University, Acton, Australia

Gillian K. Reeves

Affiliation Cancer Research UK Epidemiology Unit, University of Oxford, Oxford, United Kingdom

Valerie Beral

Affiliation Cancer Research UK Epidemiology Unit, University of Oxford, Oxford, United Kingdom

Angela Balkwill

Affiliation Cancer Research UK Epidemiology Unit, University of Oxford, Oxford, United Kingdom

Bette Liu

Affiliation Cancer Research UK Epidemiology Unit, University of Oxford, Oxford, United Kingdom

Andrew Roddam

Affiliation Cancer Research UK Epidemiology Unit, University of Oxford, Oxford, United Kingdom

for the Million Women Study Collaborators

Membership of the Million Women Study Collaborators is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ICMJE criteria for authorship read and met: EB GKR VB AB BL AR. Agree with the manuscript's results and conclusions: EB GKR VB AB BL AR. Designed the experiments/the study: EB GKR VB. Analyzed the data: GKR AB BL. Collected data/did experiments for the study: VB BL. Enrolled patients: VB. Wrote the first draft of the paper: EB. Contributed to the writing of the paper: GKR VB BL AR. Co-principal investigator of the Million Women Study: VB. Responsible for the linkage of the study participants to the hospital data for this study (fractures) and for the management and organization of the hospital data: BL. Specified many of the analyses in the paper: BL. Supervised the data analysis and interpretation of the results: AR.