1. Centre for Research Excellence in the Early Prevention of Obesity in Childhood, The University of Sydney; New South Wales Australia
2. Deakin Health Economics, Centre for Population Health Research, School of Health and Social Development; Deakin University; Geelong Victoria Australia
3. Mannheim Institute of Public Health, Social and Preventive Medicine; Mannheim Medical Faculty of the Heidelberg University; Mannheim Germany
4. Department of Health Sciences; University of York; York UK
5. School of Public Health; The University of Sydney; Sydney New South Wales Australia