1. School of Health Sciences, Western Sydney University, Campbelltown Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
2. Health Equity Laboratory, Campbelltown, NSW 2560, Australia
3. School of Education, Western Sydney University, Bankstown Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
4. Translational Health Research Institute, Western Sydney University, Campbelltown Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
5. School of Medicine, Western Sydney University, Campbelltown Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
6. Colgate-Palmolive Pty Ltd., 420 George St., Sydney, NSW 2000, Australia
7. Oral Health Services, Sydney Local Health District and Sydney Dental Hospital, NSW Health, Surry Hills, NSW 2010, Australia
8. Discipline of Child and Adolescent Health, Sydney Medical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW 2145, Australia