About the Authors

Carol Maher

carol.maher@unisa.edu.au

Affiliation Health and Use of Time Group, School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia

Tim Olds

Affiliation Health and Use of Time Group, School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia

Emily Mire

Affiliation Division of Population Science, Pennington Biomedical Research Centre, Baton Rouge, Louisiana, United States of America

Peter T. Katzmarzyk

Affiliation Division of Population Science, Pennington Biomedical Research Centre, Baton Rouge, Louisiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CM TO PK. Analyzed the data: CM EM. Wrote the paper: CM TO EM PK.