1. Department of Cardiology, Concord Repatriation General Hospital, Sydney, NSW.
2. Concord Clinical School, University of Sydney, Sydney, NSW.
3. Department of Cardiology, Liverpool Hospital, Sydney, NSW.
4. Waikato Hospital, Hamilton, New Zealand.
5. Christchurch Hospital, Christchurch, New Zealand.
6. Royal Melbourne Hospital, Melbourne, VIC.