1. Department of Medicine, University of Otago, Dunedin, New Zealand
2. Department of Anthropology and Archaeology, University of Otago, Dunedin, New Zealand
3. Department of Preventive and Social Medicine, University of Otago, Dunedin, New Zealand
4. Department of Human Nutrition, University of Otago, Dunedin, New Zealand
5. Human Potential Centre, Auckland University of Technology, Auckland, New Zealand