1. Hunter Centre for Health Advancement, Faculty of Medicine, University of Newcastle, Locked Bag 10, Wallsend, NSW 2287, Australia
2. University of Southampton, UK
3. Centre for Clinical Epidemiology and Biostatistics, University of Newcastle, Australia
4. National Heart Foundation, Hunter Branch, Australia
5. Coalfields Healthy Heartbeat Coordinators, Australia
6. Cessnock District Hospital, Cessnock, Australia