About the Authors

Jennie L. Connor

jennie.connor@otago.ac.nz

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

Robyn M. Kydd

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

Nigel P. Dickson

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: RMK JLC. Wrote the paper: JLC RMK NPD. Conceived and designed the study: NPD JLC. Collected the data: NPD JLC.