About the Authors

Tony Blakely

tony.blakely@otago.ac.nz

Affiliation Department of Public Health, University of Otago, Wellington, New Zealand

Nick Wilson

Affiliation Department of Public Health, University of Otago, Wellington, New Zealand

Bill Kaye-Blake

Affiliation New Zealand Institute of Economic Research, Wellington, New Zealand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the first draft of the manuscript: TB. Contributed to the writing of the manuscript: TB NW BKB. ICMJE criteria for authorship read and met: TB NW BKB.