1. The Queen Elizabeth Hospital; Clinical Practice Unit; 4A Main Building 28 Woodville Road Woodville South Adelaide South Australia Australia 5011
2. The University of Sydney; Medicine, Concord Clinical School; Sydney NSW Australia 2006
3. Charles Darwin University; Menzies School of Health Research; PO Box 41096 Casuarina Northern Territories Australia 0811
4. The Queen Elizabeth Hospital; Respiratory Medicine; Adelaide South Australia Australia
5. University of South Australia; Adelaide South Australia Australia 5000
6. The Queen Elizabeth Hospital; Department of Medicine, University of Adelaide; Adelaide South Australia Australia 5011