1. Senior Lecturer, Department of Psychological Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
2. Professional Practice Fellow, Department of Oral Science, University of Otago, Dunedin, New Zealand
3. Senior Research Fellow, Preventative and SocialMedicine, Dunedin School of Medicine, Dunedin, New Zealand
4. Professor, Department of Psychiatry, Baylor College of Medicine, Houston, Texas and Department of Psychological Medicine, School of Medicine and Health Sciences, University of Auckland, Auckland, New Zealand
5. Director, Oud Consulting, Amsterdam, The Netherlands