1. Department of Dentistry and Oral Health; La Trobe Rural Health School; La Trobe University; Bendigo Victoria Australia
2. Department of Community Dentistry; Institute of Dentistry; University of Turku; Turku Finland
3. Division of Population & Patient Health; Dental Institute; King's College London; London UK
4. Department of Community and Allied Health, La Trobe Rural Health School; La Trobe University; Bendigo Victoria Australia
5. Unit of Oral Health, Dentistry and Society; School of Clinical Dentistry; University of Sheffield; Sheffield UK