About the Authors

Craig A. Hansen

Affiliation National Center for Environmental Assessment, U. S. Environmental Protection Agency, Durham, North Carolina, United States of America

Adrian G. Barnett


Affiliation Institute of Health and Biomedical Innovation & School of Public Health, Queensland University of Technology, Brisbane, Queensland, Australia

Bin B. Jalaludin

Affiliations Centre for Research, Evidence Management and Surveillance, Sydney South West Area Health Service, Sydney, New South Wales, Australia, School of Public Health and Community Medicine, University of New South Wales, Sydney, New South Wales, Australia

Geoffrey G. Morgan

Affiliations Northern Rivers University Department of Rural Health, University of Sydney, Lismore, New South Wales, Australia, North Coast Area Health Service, Lismore, New South Wales, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CAH AB BBJ GGM. Analyzed the data: CAH AB. Wrote the paper: CAH AB BBJ GGM.