1. Department of Medicine, Cairns Base Hospital, Cairns, QLD.
2. Department of Anatomical Pathology, Royal Brisbane Hospital, Brisbane, QLD.
3. Department of Medicine, Townsville Hospital, Townsville, QLD.
4. Department of Intensive Care, Mater Hospital, Townsville, QLD.
5. Department of Medicine, James Cook University, Cairns and Townsville, QLD.
6. Department of Medicine, University of Melbourne, Melbourne, VIC.