About the Authors

Sheila M. Williams

Affiliation Department of Preventive and Social Medicine, University of Otago, Dunedin, New Zealand

Victoria L. Farmer

Affiliation Department of Medicine, University of Otago, Dunedin, New Zealand

Barry J. Taylor

Affiliation Department of Women's and Children's Health, University of Otago, Dunedin, New Zealand

Rachael W. Taylor

rachael.taylor@otago.ac.nz

Affiliation Department of Medicine, University of Otago, Dunedin, New Zealand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SMW BJT RWT. Analyzed the data: SMW. Wrote the paper: RWT SMW. Monitored data collection: BJT RWT. Completed accelerometry analysis: VLF. Commented on manuscript drafts: VLF BJT.