1Barwon Health Oral Health Service, 104-108 Bellarine Highway, Newcomb, 3219, Victoria, Australia
2Dental Health Services Victoria, 720 Swanston Street, Carlton 3053, Victoria, Australia
3Melbourne Dental School University of Melbourne, 720 Swanston Street, Carlton 3053, Victoria, Australia
4La Trobe Rural Health School, Dentistry and Oral Health, College of Science, Health and Engineering, La Trobe University, P.O. Box 199, Bendigo, 3552, Victoria, Australia