1. The School of Dentistry, Faculty of Medicine and Health Nepean Centre for Oral Health The University of Sydney and the Nepean Blue Mountains Local Health District Sydney New South Wales Australia
2. Private Dental Practice Sydney New South Wales Australia
3. The School of Dentistry, Faculty of Medicine and Health The University of Sydney Sydney New South Wales Australia
4. The School of Dentistry, Faculty of Medicine and Health Nepean Centre for Oral Health Oral and Maxillofacial Surgery The University of Sydney, the Nepean Blue Mountains Local Health District, and the Central Coast Local Health District Sydney New South Wales Australia