1. Professor of Nutrition and Director of Continuing Education in Nutrition and Dietetics, University of British Columbia.
2. Social worker, Fundaçāo Legiāo Brasileira de Assistȇncia, Ribeirāo Preto.
3. Volunteer Research Associate, University of Sāo Paulo.
4. Volunteer Research Associate, University of British Columbia.
5. Cardiologist, Hospital das Clinicas.
6. Professor of Clinical Medicine, and Head of Electrocardiographic Unit, Hospital das Clinicas, University of Sao Paulo.
7. Professor of Genetics and Head of Computer Centre, University of Sāo Paulo.
8. Professor of Clinical Medicine and Director of the Faculty of Medicine, University of Sāo Paulo.