1. National Institute of Demographic and Economic Analysis, The University of Waikato, Private Bag 3105; Hamilton New Zealand
2. New Zealand Centre for Sustainable Cities; University of Otago, PO Box 7343; Wellington New Zealand
3. Department of Geography; Michigan State University; East Lansing MI USA
4. Department of Public Health; University of Otago, PO Box 7343; Wellington New Zealand
5. Eru Pōmare Māori Health Research Centre; University of Otago, PO Box 7343; Wellington New Zealand