About the Authors

David M. Studdert

d.studdert@unimelb.edu.au

Affiliations Melbourne School of Population Health, University of Melbourne, Melbourne, Australia, Melbourne Law School, University of Melbourne, Melbourne, Australia

Lyle C. Gurrin

Affiliation Melbourne School of Population Health, University of Melbourne, Melbourne, Australia

Uma Jatkar

Affiliation Melbourne School of Population Health, University of Melbourne, Melbourne, Australia

Jane Pirkis

Affiliation Melbourne School of Population Health, University of Melbourne, Melbourne, Australia

Competing Interests

The authors have no competing interests or conflicts of interest to report.

Author Contributions

ICMJE criteria for authorship read and met: DMS LCG UJ JP. Agree with the manuscript's results and conclusions: DMS LCG UJ JP. Designed the experiments/the study: DMS LCG UJ JP. Analyzed the data: DMS LCG. Collected data/did experiments for the study: DMS UJ. Wrote the first draft of the paper: DMS. Contributed to the writing of the paper: DMS LCG UJ JP. Designed the statistical analysis, fitted models to the data, checked and compared competing models, and summarised the results for presentation in tables: LCG. Helped develop the rationale behind the study: UJ.