1. Research Fellow, Department of Orthodontics, Dental School, The University of Western Australia, Nedlands, Western Australia, Australia.
2. Program Director, Department of Orthodontics, Dental School, The University of Western Australia, Nedlands, Western Australia, Australia.
3. Private Maxillofacial Surgical Practice, Perth, Australia.
4. Consultant to the Department of Orthodontics, Dental School, The University of Western Australia, Nedlands, Western Australia, Australia.
5. Visiting Clinical Professor, Department of Craniofacial Sciences, Division of Orthodontics, University of Connecticut School of Dental Medicine, Farmington, CT, USA.
6. Chief, SAS Orthodontic Center, Ichiban-Cho Dental Clinic, Sendai, Japan.