1. Department of Cardiology Middlemore Hospital Auckland New Zealand
2. Green Lane Cardiovascular Service Auckland City Hospital Auckland New Zealand
3. Department of Cardiology North Shore Hospital Auckland New Zealand
4. Department of Cardiology Waikato Hospital Hamilton New Zealand
5. Department of Medicine University of Auckland Auckland New Zealand
6. Department of Cardiology Christchurch Hospital Christchurch New Zealand
7. Department of Medicine University of Otago Christchurch New Zealand
8. Department of Cardiology Wellington Hospital Wellington New Zealand
9. Department of Cardiology Tauranga Hospital Tauranga New Zealand